diff --git a/documents/logs/Screenshot_4.png b/documents/logs/Screenshot_4.png
new file mode 100644
index 0000000..f136098
Binary files /dev/null and b/documents/logs/Screenshot_4.png differ
diff --git a/documents/logs/Screenshot_5.png b/documents/logs/Screenshot_5.png
new file mode 100644
index 0000000..a9b985a
Binary files /dev/null and b/documents/logs/Screenshot_5.png differ
diff --git a/init_odoo.py b/init_odoo.py
index a10b3c9..db77305 100644
--- a/init_odoo.py
+++ b/init_odoo.py
@@ -189,6 +189,39 @@ EOF
             else:
                 print(f"Advertencia: Fallo al actualizar logo de empresa (código {result.returncode})")
         
+        # --- Asignar admin al grupo de Administrador de Laboratorio ---
+        print("\nAsignando usuario admin al grupo de Administrador de Laboratorio...")
+        sys.stdout.flush()
+        
+        if os.path.exists("/app/scripts/assign_admin_to_lab_group.py"):
+            with open("/app/scripts/assign_admin_to_lab_group.py", "r") as f:
+                admin_group_script = f.read()
+            
+            assign_admin_command = f"""
+                odoo shell -c {ODOO_CONF} -d {DB_NAME} <<'EOF'
+{admin_group_script}
+EOF
+            """
+            
+            result = subprocess.run(
+                assign_admin_command,
+                shell=True,
+                capture_output=True,
+                text=True,
+                check=False
+            )
+            
+            print("--- Assign Admin to Lab Group stdout ---")
+            print(result.stdout)
+            print("--- Assign Admin to Lab Group stderr ---")
+            print(result.stderr)
+            sys.stdout.flush()
+            
+            if result.returncode == 0:
+                print("Usuario admin asignado exitosamente al grupo de Administrador de Laboratorio.")
+            else:
+                print(f"Advertencia: Fallo al asignar admin al grupo (código {result.returncode})")
+        
         # --- Validación final del logo ---
         print("\nValidando estado final del logo y nombre...")
         sys.stdout.flush()
diff --git a/lims_management/__manifest__.py b/lims_management/__manifest__.py
index ca286f3..86435d5 100644
--- a/lims_management/__manifest__.py
+++ b/lims_management/__manifest__.py
@@ -46,6 +46,7 @@
         'views/product_template_parameter_config_views.xml',
         'views/parameter_dashboard_views.xml',
         'views/menus.xml',
+        'views/lims_config_views.xml',
         'report/sample_label_report.xml',
     ],
     'demo': [
diff --git a/lims_management/__pycache__/__init__.cpython-312.pyc b/lims_management/__pycache__/__init__.cpython-312.pyc
index 9160d9a..9e096b9 100644
Binary files a/lims_management/__pycache__/__init__.cpython-312.pyc and b/lims_management/__pycache__/__init__.cpython-312.pyc differ
diff --git a/lims_management/models/__init__.py b/lims_management/models/__init__.py
index 7110907..73d5fd3 100644
--- a/lims_management/models/__init__.py
+++ b/lims_management/models/__init__.py
@@ -10,3 +10,4 @@ from . import rejection_reason
 from . import lims_test
 from . import lims_result
 from . import res_config_settings
+from . import lims_config
diff --git a/lims_management/models/__pycache__/__init__.cpython-312.pyc b/lims_management/models/__pycache__/__init__.cpython-312.pyc
index fc0d06e..caac40f 100644
Binary files a/lims_management/models/__pycache__/__init__.cpython-312.pyc and b/lims_management/models/__pycache__/__init__.cpython-312.pyc differ
diff --git a/lims_management/models/__pycache__/sale_order.cpython-312.pyc b/lims_management/models/__pycache__/sale_order.cpython-312.pyc
index 7492287..d4ff865 100644
Binary files a/lims_management/models/__pycache__/sale_order.cpython-312.pyc and b/lims_management/models/__pycache__/sale_order.cpython-312.pyc differ
diff --git a/lims_management/models/__pycache__/stock_lot.cpython-312.pyc b/lims_management/models/__pycache__/stock_lot.cpython-312.pyc
index 8e1cd01..120db73 100644
Binary files a/lims_management/models/__pycache__/stock_lot.cpython-312.pyc and b/lims_management/models/__pycache__/stock_lot.cpython-312.pyc differ
diff --git a/lims_management/models/lims_config.py b/lims_management/models/lims_config.py
new file mode 100644
index 0000000..e9295dc
--- /dev/null
+++ b/lims_management/models/lims_config.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+from odoo import models, fields, api
+
+class LimsConfig(models.TransientModel):
+    _name = 'lims.config.settings'
+    _inherit = 'res.config.settings'
+    _description = 'Configuración del Laboratorio'
+
+    auto_resample_on_rejection = fields.Boolean(
+        string='Re-muestreo Automático al Rechazar',
+        help='Si está activo, se generará automáticamente una nueva muestra cuando se rechace una existente',
+        config_parameter='lims_management.auto_resample_on_rejection',
+        default=True
+    )
+    
+    resample_state = fields.Selection([
+        ('pending_collection', 'Pendiente de Recolección'),
+        ('collected', 'Recolectada'),
+    ], string='Estado Inicial para Re-muestras',
+        help='Estado en el que se crearán las nuevas muestras generadas por re-muestreo',
+        config_parameter='lims_management.resample_state',
+        default='pending_collection'
+    )
+    
+    auto_notify_resample = fields.Boolean(
+        string='Notificar Re-muestreo Automático',
+        help='Enviar notificación al recepcionista cuando se genera una nueva muestra por re-muestreo',
+        config_parameter='lims_management.auto_notify_resample',
+        default=True
+    )
+    
+    resample_prefix = fields.Char(
+        string='Prefijo para Re-muestras',
+        help='Prefijo que se añadirá al código de las muestras generadas por re-muestreo (ej: RE-)',
+        config_parameter='lims_management.resample_prefix',
+        default='RE-'
+    )
+    
+    max_resample_attempts = fields.Integer(
+        string='Máximo de Re-muestreos',
+        help='Número máximo de veces que se puede re-muestrear una muestra (0 = sin límite)',
+        config_parameter='lims_management.max_resample_attempts',
+        default=3
+    )
\ No newline at end of file
diff --git a/lims_management/models/sale_order.py b/lims_management/models/sale_order.py
index 61c6558..4e4bea2 100644
--- a/lims_management/models/sale_order.py
+++ b/lims_management/models/sale_order.py
@@ -33,6 +33,31 @@ class SaleOrder(models.Model):
         help="Muestras de laboratorio generadas automáticamente cuando se confirmó esta orden"
     )
     
+    all_sample_ids = fields.Many2many(
+        'stock.lot',
+        string='Todas las Muestras (inc. Re-muestras)',
+        compute='_compute_all_samples',
+        help="Todas las muestras relacionadas con esta orden, incluyendo re-muestras"
+    )
+    
+    @api.depends('generated_sample_ids', 'generated_sample_ids.child_sample_ids')
+    def _compute_all_samples(self):
+        """Compute all samples including resamples"""
+        for order in self:
+            all_samples = order.generated_sample_ids
+            # Add all resamples recursively
+            resamples = self.env['stock.lot']
+            for sample in order.generated_sample_ids:
+                resamples |= self._get_all_resamples(sample)
+            order.all_sample_ids = all_samples | resamples
+    
+    def _get_all_resamples(self, sample):
+        """Recursively get all resamples of a sample"""
+        resamples = sample.child_sample_ids
+        for resample in sample.child_sample_ids:
+            resamples |= self._get_all_resamples(resample)
+        return resamples
+    
     def action_confirm(self):
         """Override to generate laboratory samples and tests automatically"""
         res = super(SaleOrder, self).action_confirm()
@@ -295,17 +320,22 @@ class SaleOrder(models.Model):
         return res
     
     def action_print_sample_labels(self):
-        """Imprimir etiquetas de todas las muestras generadas para esta orden"""
+        """Imprimir etiquetas de todas las muestras activas (incluyendo re-muestras)"""
         self.ensure_one()
         
-        if not self.generated_sample_ids:
-            raise UserError(_('No hay muestras generadas para esta orden. Por favor, confirme la orden primero.'))
+        # Obtener todas las muestras activas (no rechazadas ni canceladas)
+        active_samples = self.all_sample_ids.filtered(
+            lambda s: s.state not in ['rejected', 'cancelled', 'disposed']
+        )
+        
+        if not active_samples:
+            raise UserError(_('No hay muestras activas para imprimir. Todas las muestras están rechazadas, canceladas o desechadas.'))
         
         # Asegurar que todas las muestras tengan código de barras
-        self.generated_sample_ids._ensure_barcode()
+        active_samples._ensure_barcode()
         
         # Obtener el reporte
         report = self.env.ref('lims_management.action_report_sample_label')
         
-        # Retornar la acción de imprimir el reporte para todas las muestras
-        return report.report_action(self.generated_sample_ids)
+        # Retornar la acción de imprimir el reporte para las muestras activas
+        return report.report_action(active_samples)
diff --git a/lims_management/models/stock_lot.py b/lims_management/models/stock_lot.py
index ee44c78..dfe9ef6 100644
--- a/lims_management/models/stock_lot.py
+++ b/lims_management/models/stock_lot.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
-from odoo import models, fields, api
+from odoo import models, fields, api, _
+from odoo.exceptions import UserError
 from datetime import datetime
 import random
 
@@ -105,6 +106,43 @@ class StockLot(models.Model):
         string='Fecha de Rechazo',
         readonly=True
     )
+    
+    # Re-sampling fields
+    parent_sample_id = fields.Many2one(
+        'stock.lot',
+        string='Muestra Original',
+        help='Muestra original de la cual esta es un re-muestreo',
+        domain="[('is_lab_sample', '=', True)]"
+    )
+    child_sample_ids = fields.One2many(
+        'stock.lot',
+        'parent_sample_id',
+        string='Re-muestras',
+        help='Muestras generadas como re-muestreo de esta'
+    )
+    resample_count = fields.Integer(
+        string='Número de Re-muestreo',
+        help='Indica cuántas veces se ha re-muestreado esta muestra',
+        compute='_compute_resample_count',
+        store=True
+    )
+    is_resample = fields.Boolean(
+        string='Es Re-muestra',
+        compute='_compute_is_resample',
+        store=True
+    )
+    root_sample_id = fields.Many2one(
+        'stock.lot',
+        string='Muestra Original (Raíz)',
+        compute='_compute_root_sample',
+        store=True,
+        help='Muestra original de la cadena de re-muestreos'
+    )
+    resample_chain_count = fields.Integer(
+        string='Re-muestreos en Cadena',
+        compute='_compute_resample_chain_count',
+        help='Número total de re-muestreos en toda la cadena'
+    )
 
     def action_collect(self):
         """Mark sample as collected"""
@@ -190,8 +228,12 @@ class StockLot(models.Model):
             }
         }
     
-    def action_reject(self):
-        """Reject the sample - to be called from wizard"""
+    def action_reject(self, create_resample=None):
+        """Reject the sample - to be called from wizard
+        
+        Args:
+            create_resample: Boolean to force resample creation. If None, uses system config
+        """
         self.ensure_one()
         if self.state == 'completed':
             raise ValueError('No se puede rechazar una muestra ya completada')
@@ -223,6 +265,35 @@ class StockLot(models.Model):
                 subject='Muestra Rechazada',
                 message_type='notification'
             )
+        
+        # Determine if we should create a resample
+        should_create_resample = False
+        
+        if create_resample is not None:
+            # Explicit value from wizard
+            should_create_resample = create_resample
+        else:
+            # Check system configuration
+            IrConfig = self.env['ir.config_parameter'].sudo()
+            auto_resample = IrConfig.get_param('lims_management.auto_resample_on_rejection', 'True') == 'True'
+            should_create_resample = auto_resample
+        
+        if should_create_resample:
+            try:
+                # Create resample automatically
+                resample_action = self.action_create_resample()
+                self.message_post(
+                    body=_('Re-muestra generada automáticamente debido al rechazo'),
+                    subject='Re-muestreo Automático',
+                    message_type='notification'
+                )
+            except UserError as e:
+                # If resample creation fails (e.g., max attempts reached), log it
+                self.message_post(
+                    body=_('No se pudo generar re-muestra automática: %s') % str(e),
+                    subject='Error en Re-muestreo',
+                    message_type='notification'
+                )
     
     @api.onchange('sample_type_product_id')
     def _onchange_sample_type_product_id(self):
@@ -348,3 +419,177 @@ class StockLot(models.Model):
             if record.is_lab_sample and not record.barcode:
                 record.barcode = record._generate_unique_barcode()
         return True
+    
+    @api.depends('parent_sample_id')
+    def _compute_is_resample(self):
+        """Compute if this sample is a resample"""
+        for record in self:
+            record.is_resample = bool(record.parent_sample_id)
+    
+    @api.depends('child_sample_ids')
+    def _compute_resample_count(self):
+        """Compute the number of times this sample has been resampled"""
+        for record in self:
+            record.resample_count = len(record.child_sample_ids)
+    
+    @api.depends('parent_sample_id')
+    def _compute_root_sample(self):
+        """Compute the root sample of the resample chain"""
+        for record in self:
+            root = record
+            while root.parent_sample_id:
+                root = root.parent_sample_id
+            record.root_sample_id = root if root != record else False
+    
+    @api.depends('parent_sample_id', 'child_sample_ids')
+    def _compute_resample_chain_count(self):
+        """Compute total resamples in the entire chain"""
+        for record in self:
+            # Find root sample
+            root = record
+            while root.parent_sample_id:
+                root = root.parent_sample_id
+            # Count all resamples from root
+            record.resample_chain_count = self._count_all_resamples_in_chain(root)
+    
+    def action_create_resample(self):
+        """Create a new sample as a resample of the current one"""
+        self.ensure_one()
+        
+        # Determine the parent sample for the new resample
+        # If current sample is already a resample, use its parent
+        # Otherwise, use the current sample as parent
+        parent_for_resample = self.parent_sample_id if self.parent_sample_id else self
+        
+        # Check if there's already an active resample for the parent
+        active_resamples = parent_for_resample.child_sample_ids.filtered(
+            lambda s: s.state not in ['rejected', 'cancelled', 'disposed']
+        )
+        if active_resamples:
+            raise UserError(_('La muestra %s ya tiene una re-muestra activa (%s). No se puede crear otra hasta que se procese o rechace la existente.') % 
+                          (parent_for_resample.name, ', '.join(active_resamples.mapped('name'))))
+        
+        # Get configuration
+        IrConfig = self.env['ir.config_parameter'].sudo()
+        auto_resample = IrConfig.get_param('lims_management.auto_resample_on_rejection', 'True') == 'True'
+        initial_state = IrConfig.get_param('lims_management.resample_state', 'pending_collection')
+        prefix = IrConfig.get_param('lims_management.resample_prefix', 'RE-')
+        max_attempts = int(IrConfig.get_param('lims_management.max_resample_attempts', '3'))
+        
+        # Find the original sample (root of the resample chain)
+        original_sample = parent_for_resample
+        while original_sample.parent_sample_id:
+            original_sample = original_sample.parent_sample_id
+        
+        # Count all resamples in the chain
+        total_resamples = self._count_all_resamples_in_chain(original_sample)
+        
+        # Check maximum resample attempts based on the entire chain
+        if max_attempts > 0 and total_resamples >= max_attempts:
+            raise UserError(_('Se ha alcanzado el número máximo de re-muestreos (%d) para esta cadena de muestras.') % max_attempts)
+        
+        # Calculate resample number for naming (based on parent's resample count)
+        resample_number = len(parent_for_resample.child_sample_ids) + 1
+        
+        # Prepare values for new sample
+        vals = {
+            'name': f"{prefix}{parent_for_resample.name}-{resample_number}",
+            'product_id': self.product_id.id,
+            'patient_id': self.patient_id.id,
+            'doctor_id': self.doctor_id.id,
+            'origin': self.origin,
+            'sample_type_product_id': self.sample_type_product_id.id,
+            'volume_ml': self.volume_ml,
+            'is_lab_sample': True,
+            'state': initial_state,
+            'analysis_names': self.analysis_names,
+            'parent_sample_id': parent_for_resample.id,  # Always use the determined parent
+            'request_id': self.request_id.id if self.request_id else False,
+        }
+        
+        # Create the resample
+        resample = self.create(vals)
+        
+        # Post message in all relevant samples
+        self.message_post(
+            body=_('Re-muestra creada: %s') % resample.name,
+            subject='Re-muestreo',
+            message_type='notification'
+        )
+        
+        if self != parent_for_resample:
+            # If we're creating from a resample, also notify the parent
+            parent_for_resample.message_post(
+                body=_('Nueva re-muestra creada: %s (debido al rechazo de %s)') % (resample.name, self.name),
+                subject='Re-muestreo',
+                message_type='notification'
+            )
+        
+        resample.message_post(
+            body=_('Esta es una re-muestra de: %s<br/>Creada debido al rechazo de: %s<br/>Motivo: %s') % 
+                 (parent_for_resample.name, self.name, self.rejection_reason_id.name if self.rejection_reason_id else 'No especificado'),
+            subject='Re-muestra creada',
+            message_type='notification'
+        )
+        
+        # Notify receptionist if configured
+        auto_notify = IrConfig.get_param('lims_management.auto_notify_resample', 'True') == 'True'
+        if auto_notify:
+            self._notify_resample_created(resample)
+        
+        # If there's a related order, update it
+        if self.request_id:
+            self.request_id.message_post(
+                body=_('Se ha creado una re-muestra (%s) para la muestra rechazada %s') % (resample.name, self.name),
+                subject='Re-muestra creada',
+                message_type='notification'
+            )
+            # Add the new sample to the order's generated samples
+            self.request_id.generated_sample_ids = [(4, resample.id)]
+        
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Re-muestra Creada',
+            'res_model': 'stock.lot',
+            'res_id': resample.id,
+            'view_mode': 'form',
+            'target': 'current',
+        }
+    
+    def _count_all_resamples_in_chain(self, root_sample):
+        """Count all resamples in the entire chain starting from root"""
+        count = 0
+        samples_to_check = [root_sample]
+        
+        while samples_to_check:
+            sample = samples_to_check.pop(0)
+            # Add all child samples to the check list
+            for child in sample.child_sample_ids:
+                count += 1
+                samples_to_check.append(child)
+        
+        return count
+    
+    def _notify_resample_created(self, resample):
+        """Notify receptionist users about the created resample"""
+        # Find receptionist users
+        receptionist_group = self.env.ref('lims_management.group_lims_receptionist', raise_if_not_found=False)
+        if receptionist_group:
+            receptionist_users = receptionist_group.users
+            
+            # Get the model id for stock.lot
+            model_id = self.env['ir.model'].search([('model', '=', 'stock.lot')], limit=1).id
+            
+            # Create activities for receptionists
+            for user in receptionist_users:
+                self.env['mail.activity'].create({
+                    'res_model': 'stock.lot',
+                    'res_model_id': model_id,  # Campo obligatorio
+                    'res_id': resample.id,
+                    'activity_type_id': self.env.ref('mail.mail_activity_data_todo').id,
+                    'summary': _('Nueva re-muestra pendiente de recolección'),
+                    'note': _('Se ha generado una re-muestra (%s) que requiere recolección. Muestra original: %s') % 
+                           (resample.name, self.name),
+                    'user_id': user.id,
+                    'date_deadline': fields.Date.today(),
+                })
diff --git a/lims_management/security/ir.model.access.csv b/lims_management/security/ir.model.access.csv
index fbe8000..4a122e9 100644
--- a/lims_management/security/ir.model.access.csv
+++ b/lims_management/security/ir.model.access.csv
@@ -23,3 +23,4 @@ access_lims_rejection_reason_technician,lims.rejection.reason.technician,model_l
 access_lims_rejection_reason_admin,lims.rejection.reason.admin,model_lims_rejection_reason,group_lims_admin,1,1,1,1
 access_lims_sample_rejection_wizard_user,lims.sample.rejection.wizard.user,model_lims_sample_rejection_wizard,base.group_user,1,1,1,1
 access_lims_sample_rejection_wizard_technician,lims.sample.rejection.wizard.technician,model_lims_sample_rejection_wizard,group_lims_technician,1,1,1,1
+access_lims_config_settings_admin,lims.config.settings.admin,model_lims_config_settings,group_lims_admin,1,1,1,1
diff --git a/lims_management/views/lims_config_views.xml b/lims_management/views/lims_config_views.xml
new file mode 100644
index 0000000..723bd71
--- /dev/null
+++ b/lims_management/views/lims_config_views.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <!-- Laboratory Configuration Form View -->
+        <record id="view_lims_config_settings_form" model="ir.ui.view">
+            <field name="name">lims.config.settings.form</field>
+            <field name="model">lims.config.settings</field>
+            <field name="arch" type="xml">
+                <form string="Configuración del Laboratorio">
+                    <header>
+                        <button string="Guardar" type="object" name="execute" class="oe_highlight"/>
+                        <button string="Cancelar" special="cancel"/>
+                    </header>
+                    <sheet>
+                        <div class="o_form_label">Configuración de Re-muestreo</div>
+                        <group>
+                            <group name="resample_settings" string="Re-muestreo Automático">
+                                <field name="auto_resample_on_rejection"/>
+                                <field name="resample_state" invisible="not auto_resample_on_rejection"/>
+                                <field name="resample_prefix" invisible="not auto_resample_on_rejection"/>
+                                <field name="max_resample_attempts" invisible="not auto_resample_on_rejection"/>
+                            </group>
+                            <group name="notification_settings" string="Notificaciones">
+                                <field name="auto_notify_resample" invisible="not auto_resample_on_rejection"/>
+                            </group>
+                        </group>
+                        <group string="Información">
+                            <div class="text-muted">
+                                <p>El re-muestreo automático permite generar una nueva muestra cuando se rechaza una existente.</p>
+                                <p>Las notificaciones se enviarán a todos los usuarios con rol de Recepcionista.</p>
+                            </div>
+                        </group>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+
+        <!-- Action to open laboratory configuration -->
+        <record id="action_lims_config_settings" model="ir.actions.act_window">
+            <field name="name">Configuración del Laboratorio</field>
+            <field name="res_model">lims.config.settings</field>
+            <field name="view_mode">form</field>
+            <field name="target">inline</field>
+            <field name="context">{'dialog_size': 'medium'}</field>
+        </record>
+
+        <!-- Menu for Laboratory Configuration -->
+        <menuitem id="menu_lims_lab_config"
+                  name="Configuración del Laboratorio"
+                  parent="lims_management.lims_menu_config"
+                  action="action_lims_config_settings"
+                  sequence="60"
+                  groups="lims_management.group_lims_admin"/>
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/lims_management/views/sale_order_views.xml b/lims_management/views/sale_order_views.xml
index b2b5020..58ee2cd 100644
--- a/lims_management/views/sale_order_views.xml
+++ b/lims_management/views/sale_order_views.xml
@@ -14,7 +14,7 @@
                             string="Imprimir Etiquetas" 
                             type="object" 
                             class="btn-primary"
-                            invisible="not is_lab_request or state != 'sale' or not generated_sample_ids"
+                            invisible="not is_lab_request or state != 'sale' or not all_sample_ids"
                             icon="fa-print"/>
                 </xpath>
                 <xpath expr="//field[@name='partner_id']" position="after">
@@ -29,26 +29,42 @@
                 </xpath>
                 <!-- Add Generated Samples tab -->
                 <xpath expr="//notebook" position="inside">
-                    <page string="Muestras Generadas" name="generated_samples" invisible="not is_lab_request">
-                        <group>
-                            <field name="generated_sample_ids" nolabel="1" readonly="1">
-                                <list string="Muestras Generadas" create="false" edit="false" delete="false">
+                    <page string="Muestras" name="all_samples" invisible="not is_lab_request">
+                        <group string="Todas las Muestras (incluyendo Re-muestras)">
+                            <field name="all_sample_ids" nolabel="1" readonly="1">
+                                <list string="Todas las Muestras" create="false" edit="false" delete="false">
                                     <field name="name" string="Código de Muestra"/>
-                                    <field name="barcode" string="Código de Barras"/>
+                                    <field name="barcode" string="Código de Barras" optional="show"/>
                                     <field name="sample_type_product_id" string="Tipo de Muestra"/>
-                                    <field name="volume_ml" string="Volumen (ml)"/>
-                                    <field name="analysis_names" string="Análisis"/>
-                                    <field name="state" string="Estado"/>
+                                    <field name="volume_ml" string="Volumen (ml)" optional="show"/>
+                                    <field name="analysis_names" string="Análisis" optional="show"/>
+                                    <field name="is_resample" string="Es Re-muestra" widget="boolean_toggle"/>
+                                    <field name="parent_sample_id" string="Muestra Original" optional="show"/>
+                                    <field name="state" string="Estado" widget="badge" 
+                                           decoration-success="state == 'analyzed'" 
+                                           decoration-info="state == 'in_process'" 
+                                           decoration-danger="state == 'rejected'"
+                                           decoration-warning="state == 'pending_collection'"/>
+                                    <field name="rejection_reason_id" string="Motivo Rechazo" optional="show"/>
                                     <button name="action_collect" string="Recolectar" type="object" 
-                                            class="btn-primary" invisible="state != 'pending_collection'"/>
+                                            class="btn-sm btn-primary" invisible="state != 'pending_collection'"/>
                                 </list>
                             </field>
                         </group>
-                        <group invisible="not generated_sample_ids">
-                            <div class="alert alert-info" role="alert">
-                                <p>Las muestras han sido generadas automáticamente basándose en los análisis solicitados. 
-                                   Cada muestra agrupa los análisis que requieren el mismo tipo de contenedor.</p>
-                            </div>
+                        <group string="Resumen" col="4">
+                            <field name="generated_sample_ids" invisible="1"/>
+                            <group>
+                                <label for="generated_sample_ids" string="Muestras Originales:"/>
+                                <div>
+                                    <span class="badge badge-primary"><field name="generated_sample_ids" readonly="1" widget="many2many_tags"/></span>
+                                </div>
+                            </group>
+                            <group>
+                                <div class="alert alert-info" role="alert">
+                                    <p><i class="fa fa-info-circle"/> Las muestras han sido generadas automáticamente basándose en los análisis solicitados.</p>
+                                    <p>Las re-muestras se generan cuando una muestra es rechazada.</p>
+                                </div>
+                            </group>
                         </group>
                     </page>
                 </xpath>
diff --git a/lims_management/views/stock_lot_views.xml b/lims_management/views/stock_lot_views.xml
index 35dce0c..511b425 100644
--- a/lims_management/views/stock_lot_views.xml
+++ b/lims_management/views/stock_lot_views.xml
@@ -16,6 +16,8 @@
                     <field name="collector_id" string="Recolectado por"/>
                     <field name="container_type" optional="hide" string="Tipo Contenedor (Obsoleto)"/>
                     <field name="state" string="Estado" decoration-success="state == 'analyzed'" decoration-info="state == 'in_process'" decoration-danger="state == 'rejected'" decoration-muted="state == 'stored' or state == 'disposed' or state == 'cancelled'" widget="badge"/>
+                    <field name="is_resample" string="Re-muestra" widget="boolean_toggle" optional="show"/>
+                    <field name="resample_count" string="Re-muestreos" optional="show"/>
                 </list>
             </field>
         </record>
@@ -39,6 +41,12 @@
                                 class="btn-danger"
                                 invisible="state in ['completed', 'rejected', 'disposed', 'cancelled']"/>
                         <button name="action_cancel" string="Cancelar" type="object" invisible="state in ['cancelled', 'rejected', 'disposed']"/>
+                        <button name="action_create_resample" 
+                                string="Crear Re-muestra" 
+                                type="object" 
+                                class="btn-primary"
+                                invisible="state != 'rejected' or resample_count >= 3"
+                                confirm="¿Está seguro de que desea crear una re-muestra para esta muestra rechazada?"/>
                         <field name="state" widget="statusbar" statusbar_visible="pending_collection,collected,received,in_process,analyzed,stored,rejected"/>
                     </header>
                     <sheet>
@@ -81,6 +89,34 @@
                             <field name="rejection_date" readonly="1"/>
                             <field name="rejection_notes" readonly="1" colspan="4"/>
                         </group>
+                        <notebook>
+                            <page string="Re-muestreo" invisible="not is_resample and resample_count == 0">
+                                <group col="4">
+                                    <field name="is_resample" invisible="1"/>
+                                    <field name="resample_count" invisible="1"/>
+                                    <field name="parent_sample_id" readonly="1" invisible="not is_resample"/>
+                                    <field name="root_sample_id" readonly="1" invisible="not is_resample"/>
+                                    <field name="resample_chain_count" readonly="1" invisible="resample_chain_count == 0"/>
+                                </group>
+                                <group string="Re-muestras Generadas" invisible="resample_count == 0">
+                                    <field name="child_sample_ids" nolabel="1">
+                                        <list>
+                                            <field name="name"/>
+                                            <field name="state" widget="badge"/>
+                                            <field name="collection_date"/>
+                                            <field name="rejection_reason_id"/>
+                                            <field name="resample_count" string="Re-muestras propias"/>
+                                        </list>
+                                    </field>
+                                </group>
+                                <group string="Información de Trazabilidad" invisible="not is_resample">
+                                    <div class="alert alert-info" role="alert">
+                                        <p><i class="fa fa-info-circle"/> Esta muestra es parte de una cadena de re-muestreo.</p>
+                                        <p>Total de re-muestreos en la cadena: <field name="resample_chain_count" readonly="1" nolabel="1" class="oe_inline"/></p>
+                                    </div>
+                                </group>
+                            </page>
+                        </notebook>
                     </sheet>
                 </form>
             </field>
@@ -100,6 +136,8 @@
                     <filter string="En Proceso" name="in_process" domain="[('state', '=', 'in_process')]"/>
                     <filter string="Analizadas" name="analyzed" domain="[('state', '=', 'analyzed')]"/>
                     <filter string="Rechazadas" name="rejected" domain="[('state', '=', 'rejected')]"/>
+                    <filter string="Re-muestras" name="resamples" domain="[('is_resample', '=', True)]"/>
+                    <filter string="Con Re-muestras" name="has_resamples" domain="[('resample_count', '>', 0)]"/>
                     <separator/>
                     <filter string="Hoy" name="today" domain="[('collection_date', '&gt;=', datetime.datetime.now().strftime('%Y-%m-%d 00:00:00')), ('collection_date', '&lt;=', datetime.datetime.now().strftime('%Y-%m-%d 23:59:59'))]"/>
                     <filter string="Esta Semana" name="this_week" domain="[('collection_date', '&gt;=', (datetime.datetime.now() - datetime.timedelta(days=7)).strftime('%Y-%m-%d'))]"/>
@@ -111,6 +149,7 @@
                         <filter string="Paciente" name="group_patient" context="{'group_by': 'patient_id'}"/>
                         <filter string="Fecha de Recolección" name="group_collection" context="{'group_by': 'collection_date:day'}"/>
                         <filter string="Motivo de Rechazo" name="group_rejection" context="{'group_by': 'rejection_reason_id'}"/>
+                        <filter string="Es Re-muestra" name="group_resample" context="{'group_by': 'is_resample'}"/>
                     </group>
                 </search>
             </field>
diff --git a/lims_management/wizards/sample_rejection_wizard.py b/lims_management/wizards/sample_rejection_wizard.py
index 9bea34b..dc2802e 100644
--- a/lims_management/wizards/sample_rejection_wizard.py
+++ b/lims_management/wizards/sample_rejection_wizard.py
@@ -67,12 +67,8 @@ class SampleRejectionWizard(models.TransientModel):
             'rejection_notes': self.rejection_notes
         })
         
-        # Call the rejection method on the sample
-        self.sample_id.action_reject()
-        
-        # Create new sample request if needed
-        if self.create_new_sample and self.sample_id.request_id:
-            self._create_new_sample_request()
+        # Call the rejection method on the sample with explicit resample creation preference
+        self.sample_id.action_reject(create_resample=self.create_new_sample)
         
         return {'type': 'ir.actions.act_window_close'}
     
diff --git a/scripts/assign_admin_to_lab_group.py b/scripts/assign_admin_to_lab_group.py
new file mode 100644
index 0000000..cc5fb50
--- /dev/null
+++ b/scripts/assign_admin_to_lab_group.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Script para asignar el usuario admin al grupo de Administrador de Laboratorio
+"""
+
+import logging
+
+# Configurar logging
+logging.basicConfig(level=logging.INFO)
+_logger = logging.getLogger(__name__)
+
+try:
+    # Buscar el usuario admin
+    admin_user = env['res.users'].search([('login', '=', 'admin')], limit=1)
+    if not admin_user:
+        _logger.error("No se encontró el usuario admin")
+        exit(1)
+    
+    # Buscar el grupo de Administrador de Laboratorio
+    try:
+        lab_admin_group = env.ref('lims_management.group_lims_admin')
+    except ValueError:
+        _logger.error("No se encontró el grupo de Administrador de Laboratorio")
+        exit(1)
+    
+    # Verificar si el usuario ya está en el grupo
+    if lab_admin_group in admin_user.groups_id:
+        _logger.info("El usuario admin ya está en el grupo de Administrador de Laboratorio")
+    else:
+        # Agregar el usuario al grupo
+        admin_user.write({
+            'groups_id': [(4, lab_admin_group.id)]
+        })
+        _logger.info("Usuario admin agregado exitosamente al grupo de Administrador de Laboratorio")
+    
+    # Confirmar los grupos del usuario
+    group_names = ', '.join(admin_user.groups_id.mapped('name'))
+    _logger.info(f"Grupos del usuario admin: {group_names}")
+    
+    env.cr.commit()
+    _logger.info("Cambios guardados exitosamente")
+
+except Exception as e:
+    _logger.error(f"Error al asignar usuario admin al grupo: {str(e)}")
+    exit(1)
\ No newline at end of file