diff --git a/app/Database/Migrations/2025-09-10-141522_Location.php b/app/Database/Migrations/2025-09-10-141522_Location.php
index cd14e1c..23549b8 100644
--- a/app/Database/Migrations/2025-09-10-141522_Location.php
+++ b/app/Database/Migrations/2025-09-10-141522_Location.php
@@ -15,9 +15,9 @@ class CreateLocationTable extends Migration {
       'LocFull' => ['type' => 'varchar', 'constraint' => 255, 'null' => true],
       'Description' => ['type' => 'varchar', 'constraint' => 255, 'null' => true],
       'LocType' => ['type' => 'varchar', 'constraint' => 11, 'null' => true],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
       'EndDate' => ['type' => 'DATETIME', 'null' => true]
     ]);
-    $this->forge->addField('CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP');
     $this->forge->addKey('LocationID', true);
     $this->forge->createTable('location');
 
@@ -30,9 +30,9 @@ class CreateLocationTable extends Migration {
       'PostCode' => ['type' => 'varchar', 'constraint' => 255, 'null' => true],
       'GeoLocationSystem' => ['type' => 'varchar', 'constraint' => 255, 'null' => true],
       'GeoLocationData' => ['type' => 'varchar', 'constraint' => 255, 'null' => true],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
       'EndDate' => ['type' => 'DATETIME', 'null' => true]
     ]);
-    $this->forge->addField('CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP');
     $this->forge->addKey('LocationID', true);
     $this->forge->createTable('locationaddress');
   }
diff --git a/app/Database/Migrations/2025-10-07-132705_Specimen.php b/app/Database/Migrations/2025-10-07-132705_Specimen.php
new file mode 100644
index 0000000..ea8539a
--- /dev/null
+++ b/app/Database/Migrations/2025-10-07-132705_Specimen.php
@@ -0,0 +1,135 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class CreateSpecimenTable extends Migration {
+  public function up() {
+    
+    $this->forge->addField([
+      'ConDefID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SiteID'  => ['type' => 'INT', 'null' => true],
+      'ConCode' => ['type' => 'VARCHAR', 'constraint' => 3, 'null' => false],
+      'ConName' => ['type' => 'varchar', 'constraint' => 50, 'null' => true],
+      'ConDesc' => ['type' => 'varchar', 'constraint' => 50, 'null' => true],
+      'Additive' => ['type' => 'varchar', 'constraint' => 50, 'null' => true],
+      'ConClass' => ['type' => 'int', 'null' => false],
+      'Color' => ['type' => 'int', 'null' => false],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
+      'EndDate' => ['type' => 'DATETIME', 'null' => true]
+    ]);
+    $this->forge->addKey('ConDefID', true);
+    $this->forge->addUniqueKey('ConCode'); 
+    $this->forge->createTable('containerdef');
+
+    $this->forge->addField([
+      'InternalSID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SID' => ['type' => 'VARCHAR', 'constraint' => 30,  'null' => false],
+      'SiteID' => ['type' => 'INT', 'null' => true],
+      'OrderID' => ['type' => 'INT', 'null' => true],
+      'ConDefID' => ['type' => 'INT', 'null' => true],
+      'Parent' => ['type' => 'int', 'null' => true],
+      'Qty' => ['type' => 'INT', 'null' => true],
+      'Unit' => ['type' => 'varchar', 'constraint'=> 30, 'null' => true],
+      'GenerateBy' => ['type' => 'int', 'null' => true],
+      'SchDateTime' => ['type' => 'datetime', 'null' => true],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
+      'EndDate' => ['type' => 'DATETIME', 'null' => true],
+      'ArchiveDate' => ['type' => 'DATETIME', 'null' => true]
+    ]);
+    $this->forge->addKey('InternalSID', true);
+    $this->forge->addUniqueKey('SID'); 
+    $this->forge->createTable('specimens');
+
+    $this->forge->addField([
+      'SpcStaID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SID' => ['type' => 'VARCHAR', 'constraint' => 30,  'null' => false],
+      'SpcAct' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'ActRes' => ['type' => 'INT', 'null' => true],
+      'SpcStatus' => ['type' => 'int', 'null' => true],
+      'Qty' => ['type' => 'INT', 'null' => true],
+      'Unit' => ['type' => 'INT', 'null' => true], //['type' => 'varchar' , 'constraint'=> 30, 'null' => true],
+      'SpcCon' => ['type' => 'INT', 'null' => true], //['type' => 'varchar', 'constraint'=> 30, 'null' => true],
+      'Comment' => ['type' => 'varchar', 'constraint'=>150, 'null' => true],
+      'CurrSiteID' => ['type' => 'int', 'null' => true ],
+      'CurrLocID' => ['type' => 'int', 'null' => true ],
+      'Origin' => ['type' => 'varchar', 'constraint'=>50, 'null' => true ],
+      'GeoLocationSystem' => ['type' => 'varchar', 'constraint'=>10, 'null' => true ],
+      'GeoLocationData' => ['type' => 'varchar', 'constraint'=>10, 'null' => true ],
+      'DIDType' => ['type' => 'varchar', 'constraint'=>10, 'null' => true ],
+      'DID' => ['type' => 'varchar', 'constraint'=>10, 'null' => true ],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
+      'EndDate' => ['type' => 'DATETIME', 'null' => true],
+      'ArchiveDate' => ['type' => 'DATETIME', 'null' => true]
+    ]);
+    $this->forge->addKey('SpcStaSID', true);
+    $this->forge->createTable('specimenstatus');
+
+    $this->forge->addField([
+      'SpcColID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SpcStaID' => ['type' => 'INT', 'unsigned' => true],
+      'SpcRole' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'ColMethod' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'BodySite' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'CntSize' => ['type' => 'INT', 'null' => true],
+      'FastingVolume' => ['type' => 'varchar', 'constraint'=> 2, 'null' => true],
+      'ColStart' => ['type' => 'datetime', 'null' => true],
+      'ColEnd' => ['type' => 'datetime', 'null' => true],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
+      'EndDate' => ['type' => 'DATETIME', 'null' => true],
+      'ArchiveDate' => ['type' => 'DATETIME', 'null' => true]
+    ]);
+    $this->forge->addKey('SpcColID', true);
+    $this->forge->createTable('specimencollection');
+
+    $this->forge->addField([
+      'SpcPrpID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SpcStaID' => ['type' => 'INT', 'unsigned' => true],
+      'Description' => ['type' => 'varchar', 'constraint' => 150, 'null' => true],
+      'Method' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'Additive' => ['type' => 'varchar', 'constraint' => 15, 'null' => true],
+      'AddQty' => ['type' => 'float', 'null' => true],
+      'AddUnit' => ['type' => 'varchar', 'constraint'=> 15, 'null' => true],
+      'PrepStart' => ['type' => 'datetime', 'null' => true],
+      'PrepEnd' => ['type' => 'datetime', 'null' => true],
+      'CreateDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP',
+      'EndDate' => ['type' => 'DATETIME', 'null' => true],
+      'ArchiveDate' => ['type' => 'DATETIME', 'null' => true]
+    ]);
+    $this->forge->addKey('SpcPrpID', true);
+    $this->forge->createTable('specimenprep');
+
+    $this->forge->addField([
+      'SpcLogID'=> ['type' => 'INT', 'constraint' => 11, 'unsigned' => true, 'auto_increment' => true],
+      'TblName'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'RecID'    => ['type' => 'INT', 'constraint' => 11, 'null' => true],
+      'FldName'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'FldValuePrev'=> ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'UserID'   => ['type' => 'INT', 'constraint' => 11, 'null' => true],
+      'SiteID'   => ['type' => 'INT', 'constraint' => 11, 'null' => true],
+      'DIDType'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'DID'    => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'MachineID'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'SessionID'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'AppID'    => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'ProcessID'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'WebPageID'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'EventID'  => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'ActivityID' => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'Reason'   => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
+      'LogDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP'
+    ]);
+    $this->forge->addKey('SpcLogID', true);
+    $this->forge->createTable('specimenlog');
+  }
+
+  public function down() {
+    $this->forge->dropTable('containerdef');
+    $this->forge->dropTable('specimens');
+    $this->forge->dropTable('specimenstatus');
+    $this->forge->dropTable('specimencollection');
+    $this->forge->dropTable('specimenprep');
+    $this->forge->dropTable('specimenlog');
+  }
+}
\ No newline at end of file