diff --git a/app/Database/Migrations/2025-10-11-100001_Test_Management.php b/app/Database/Migrations/2025-10-11-100001_Test_Management copy.php
similarity index 74%
rename from app/Database/Migrations/2025-10-11-100001_Test_Management.php
rename to app/Database/Migrations/2025-10-11-100001_Test_Management copy.php
index b487db9..eab0ac1 100644
--- a/app/Database/Migrations/2025-10-11-100001_Test_Management.php
+++ b/app/Database/Migrations/2025-10-11-100001_Test_Management copy.php	
@@ -8,10 +8,11 @@ class CreateTestsTable extends Migration {
   public function up() {
     $this->forge->addField([
       'TestID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
-      'ParenTest'  => ['type' => 'INT', 'null' => true],
+      'ParentTest'  => ['type' => 'INT', 'null' => true],
       'TestCode'  => ['type' => 'VARCHAR', 'constraint'=> 6, 'null' => false],
       'TestName'  => ['type' => 'varchar', 'constraint'=> 50, 'null' => false],
       'Description'  => ['type' => 'VARCHAR', 'constraint'=> 150, 'null' => false],
+      'DisciplineID'  => ['type' => 'INT', 'null' => false],
       'Method'  => ['type' => 'varchar', 'constraint'=>50, 'null' => true],
       'Seq'  => ['type' => 'int', 'constraint'=> 15, 'null' => true],
       'CountStat' => ['type' => 'int' ],
@@ -26,14 +27,14 @@ class CreateTestsTable extends Migration {
       'SiteID' => ['type' => 'INT', 'null' => false],
       'TestSiteCode'  => ['type' => 'varchar', 'constraint'=> 6, 'null' => false],
       'TestSiteName'  => ['type' => 'varchar', 'constraint'=> 50, 'null' => false],
-      'Type'  => ['type' => 'int', 'null' => false],
+      'Type' => ['type' => 'int', 'null' => false],
       'Description'  => ['type' => 'varchar', 'constraint'=> 150, 'null' => true],
-      'SeqScr'  => ['type' => 'int', 'null' => false],
-      'SeqRpt'  => ['type' => 'int', 'null' => false],
-      'IndentLeft'  => ['type' => 'int', 'null' => false],
-      'VisibleScr'  => ['type' => 'int', 'null' => false],
-      'VisibleRpt'  => ['type' => 'int', 'null' => false],
-      'CountStat'  => ['type' => 'int', 'null' => false],
+      'SeqScr' => ['type' => 'int', 'null' => false],
+      'SeqRpt' => ['type' => 'int', 'null' => false],
+      'IndentLeft' => ['type' => 'int', 'null' => false],
+      'VisibleScr' => ['type' => 'int', 'null' => false],
+      'VisibleRpt' => ['type' => 'int', 'null' => false],
+      'CountStat' => ['type' => 'int', 'null' => false],
       'CreateDate' => ['type' => 'Datetime', 'null' => true],
       'EndDate' => ['type' => 'Datetime', 'null' => true],
     ]);
@@ -62,6 +63,7 @@ class CreateTestsTable extends Migration {
       'TestTechAbb' => ['type' => 'varchar', 'constraint'=>50, 'null' => true],
       'TestTechName' => ['type' => 'varchar', 'constraint'=>150, 'null' => true],
       'Method' => ['type' => 'varchar', 'constraint'=>50, 'null' => true],
+      'ExpectedTAT' => ['type' => 'INT', 'null' => true],
       'CreateDate' => ['type' => 'Datetime', 'null' => true],
       'EndDate' => ['type' => 'Datetime', 'null' => true]
     ]);
@@ -72,9 +74,9 @@ class CreateTestsTable extends Migration {
       'TestCalID'  => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
       'SiteID' => ['type' => 'INT', 'null' => true],
       'TestSiteID'  => ['type' => 'INT', 'null' => true],
-      'DisciplineID' => ['type' => 'int', 'null' => true],
-      'DepartmentID' => ['type' => 'int', 'null' => true],
-      'Formula' => ['type' => 'int', 'null' => true],
+      'FormulaCode' => ['type' => 'varchar', 'constraint'=>150, 'null' => true],
+      'FormulaLang' => ['type' => 'varchar', 'constraint'=>20, 'null' => true],
+      'FormulaInput' => ['type' => 'varchar', 'constraint'=>20, 'null' => true],
       'Unit1' => ['type' => 'varchar', 'constraint'=>20, 'null' => true],
       'Factor' => ['type' => 'int', 'null' => true],
       'Unit2' => ['type' => 'varchar', 'constraint'=>20, 'null' => true],
@@ -87,30 +89,15 @@ class CreateTestsTable extends Migration {
 
     $this->forge->addField([
       'TestGrpID'  => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
-      'TestSiteID'  => ['type' => 'INT', 'null' => true],
       'SiteID' => ['type' => 'INT', 'null' => true],
-      'TestSiteCode' => ['type' => 'varchar', 'constraint'=> 6, 'null' => true],
-      'TestSiteName' => ['type' => 'varchar', 'constraint'=> 50, 'null' => true],
-      'Type' => ['type' => 'int', 'null' => true],
+      'TestSiteID'  => ['type' => 'INT', 'null' => true],
+      'Member' => ['type' => 'INT', 'null' => true],
       'CreateDate' => ['type' => 'Datetime', 'null' => true],
       'EndDate' => ['type' => 'Datetime', 'null' => true]
     ]);
     $this->forge->addKey('TestGrpID', true);
     $this->forge->createTable('testgrp');
 
-    $this->forge->addField([
-      'TestConsID'  => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
-      'TestTechID'  => ['type' => 'INT', 'null' => true],
-      'ItemType' => ['type' => 'varchar', 'constraint'=>10,'null' => true],
-      'ItemID' => ['type' => 'INT', 'null' => false],
-      'ItemQty' => ['type' => 'varchar', 'constraint'=> 50, 'null' => true],
-      'ItemUnit' => ['type' => 'varchar', 'constraint'=> 50, 'null' => true],
-      'CreateDate' => ['type' => 'Datetime', 'null' => true],
-      'EndDate' => ['type' => 'Datetime', 'null' => true]
-    ]);
-    $this->forge->addKey('TestConsID', true);
-    $this->forge->createTable('testdefconsumables');
-
   }
 
   public function down() {
@@ -119,6 +106,5 @@ class CreateTestsTable extends Migration {
     $this->forge->dropTable('testdeftech');
     $this->forge->dropTable('testdefcal');
     $this->forge->dropTable('testgrp');
-    $this->forge->dropTable('testdefconsumables');
   }
 }
\ No newline at end of file
diff --git a/app/Database/Migrations/2025-10-12-100001_Ref_Range.php b/app/Database/Migrations/2025-10-12-100001_Ref_Range.php
new file mode 100644
index 0000000..6818568
--- /dev/null
+++ b/app/Database/Migrations/2025-10-12-100001_Ref_Range.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class CreateTestsTable extends Migration {
+  public function up() {
+    
+    $this->forge->addField([
+      'RefNumID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SiteID'  => ['type' => 'INT', 'null' => true],
+      'TestSiteID'  => ['type' => 'INT', 'null' => false],
+      'SpcType'  => ['type' => 'varchar', 'constraint'=> 10, 'null' => false],
+      'Sex'  => ['type' => 'INT', 'null' => true],
+      'AgeStart'  => ['type' => 'INT', 'null' => true],
+      'AgeEnd'  => ['type' => 'int', 'null' => true],
+      'CriticalLow'  => ['type' => 'int', 'null' => true],
+      'Low'  => ['type' => 'int', 'null' => true],
+      'High'  => ['type' => 'int', 'null' => true],
+      'CriticalHigh'  => ['type' => 'int', 'null' => true],
+      'CreateDate' => ['type' => 'Datetime', 'null' => true],
+      'EndDate' => ['type' => 'Datetime', 'null' => true],
+    ]);
+    $this->forge->addKey('RefNumID', true);
+    $this->forge->createTable('refnum');
+
+    $this->forge->addField([
+      'RefTHoldID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SiteID'  => ['type' => 'INT', 'null' => true],
+      'TestSiteID'  => ['type' => 'INT', 'null' => false],
+      'SpcType'  => ['type' => 'varchar', 'constraint'=> 10, 'null' => false],
+      'Sex'  => ['type' => 'INT', 'null' => true],
+      'AgeStart'  => ['type' => 'INT', 'null' => true],
+      'AgeEnd'  => ['type' => 'int', 'null' => true],
+      'Threshold'  => ['type' => 'int', 'null' => true],
+      'BelowTxt' => ['type' => 'varchar', 'constraint'=> 10, 'null' => true],
+      'AboveTxt' => ['type' => 'varchar', 'constraint'=> 10, 'null' => true],
+      'GrayZoneLow' => ['type' => 'int', 'null' => true],
+      'GrayZoneHigh' => ['type' => 'int', 'null' => true],
+      'GrayZoneTxt' => ['type' => 'varchar', 'constraint'=> 10, 'null' => true],
+      'CreateDate' => ['type' => 'Datetime', 'null' => true],
+      'EndDate' => ['type' => 'Datetime', 'null' => true],
+    ]);
+    $this->forge->addKey('RefTHoldID', true);
+    $this->forge->createTable('refthold');
+
+    $this->forge->addField([
+      'RefVSetID' => ['type' => 'INT', 'auto_increment' => true, 'unsigned' => true],
+      'SiteID'  => ['type' => 'INT', 'null' => true],
+      'TestSiteID'  => ['type' => 'INT', 'null' => false],
+      'SpcType'  => ['type' => 'varchar', 'constraint'=> 10, 'null' => false],
+      'Sex'  => ['type' => 'INT', 'null' => true],
+      'AgeStart'  => ['type' => 'INT', 'null' => true],
+      'AgeEnd'  => ['type' => 'int', 'null' => true],
+      'RefTxt'  => ['type' => 'varchar', 'constraint'=>255, 'null' => true],
+      'CreateDate' => ['type' => 'Datetime', 'null' => true],
+      'EndDate' => ['type' => 'Datetime', 'null' => true],
+    ]);
+    $this->forge->addKey('RefVSetID', true);
+    $this->forge->createTable('refvset');
+  }
+
+  public function down() {
+    $this->forge->dropTable('refnum');
+    $this->forge->dropTable('refthold');
+    $this->forge->dropTable('refvset');
+  }
+}
\ No newline at end of file