diff --git a/src/routes/(app)/master-data/tests/+page.svelte b/src/routes/(app)/master-data/tests/+page.svelte
index ccbcdec..6fbc406 100644
--- a/src/routes/(app)/master-data/tests/+page.svelte
+++ b/src/routes/(app)/master-data/tests/+page.svelte
@@ -6,11 +6,12 @@
   import DataTable from '$lib/components/DataTable.svelte';
   import Modal from '$lib/components/Modal.svelte';
   import TestModal from './TestModal.svelte';
+  import TestTypeSelector from './test-modal/TestTypeSelector.svelte';
   import { validateNumericRange, validateTholdRange, validateTextRange, validateVsetRange } from './referenceRange.js';
   import { Plus, Edit2, Trash2, ArrowLeft, Filter, Search, ChevronDown, ChevronRight, Microscope, Variable, Calculator, Box, Layers } from 'lucide-svelte';
 
   let loading = $state(false), tests = $state([]), disciplines = $state([]), departments = $state([]);
-  let modalOpen = $state(false), selectedRowIndex = $state(-1), expandedGroups = $state(new Set());
+  let modalOpen = $state(false), selectedRowIndex = $state(-1), expandedGroups = $state(new Set()), typeSelectorOpen = $state(false);
   let currentPage = $state(1), perPage = $state(20), totalItems = $state(0), totalPages = $state(1);
   let modalMode = $state('create'), saving = $state(false), selectedType = $state(''), searchQuery = $state(''), searchInputRef = $state(null);
   let deleteModalOpen = $state(false), testToDelete = $state(null), deleting = $state(false);
@@ -70,14 +71,23 @@ const canHaveRefRange = $derived(formData.TestType === 'TEST' || formData.TestTy
   function getVisibleTests() { return tests.filter(t => t.IsActive !== '0' && t.IsActive !== 0); }
   function getTestTypeConfig(type) { return testTypeConfig[type] || testTypeConfig.TEST; }
   function formatReferenceRange(test) { return '-'; }
-  function openCreateModal() {
+function openTypeSelector() {
+  typeSelectorOpen = true;
+}
+
+function handleTypeSelect(type) {
+  typeSelectorOpen = false;
+  openCreateModal(type);
+}
+
+function openCreateModal(type = 'TEST') {
   modalMode = 'create';
   formData = {
     // Basic Info
     TestSiteID: null,
     TestSiteCode: '',
     TestSiteName: '',
-    TestType: 'TEST',
+    TestType: type,
     DisciplineID: null,
     DepartmentID: null,
     SeqScr: '0',
@@ -284,7 +294,7 @@ const canHaveRefRange = $derived(formData.TestType === 'TEST' || formData.TestTy
       <h1 class="text-3xl font-bold text-gray-800">Test Definitions</h1>
       <p class="text-gray-600">Manage laboratory tests, panels, and calculated values</p>
     </div>
-    <button class="btn btn-primary" onclick={openCreateModal}><Plus class="w-4 h-4 mr-2" />Add Test</button>
+    <button class="btn btn-primary" onclick={openTypeSelector}><Plus class="w-4 h-4 mr-2" />Add Test</button>
   </div>
 
   <div class="bg-base-100 rounded-lg shadow border border-base-200 p-4 mb-4">
@@ -296,7 +306,7 @@ const canHaveRefRange = $derived(formData.TestType === 'TEST' || formData.TestTy
       <div class="w-full sm:w-48">
         <select class="select select-sm select-bordered w-full" bind:value={selectedType} onchange={handleFilter}>
           <option value="">All Types</option>
-          <option value="TEST">Technical Test</option>
+          <option value="TEST">Single Test</option>
           <option value="PARAM">Parameter</option>
           <option value="CALC">Calculated</option>
           <option value="GROUP">Panel/Profile</option>
@@ -323,6 +333,13 @@ const canHaveRefRange = $derived(formData.TestType === 'TEST' || formData.TestTy
   </div>
 </div>
 
+<Modal bind:open={typeSelectorOpen} title="Add Test" size="md">
+  <TestTypeSelector
+    onselect={handleTypeSelect}
+    oncancel={() => typeSelectorOpen = false}
+  />
+</Modal>
+
 <TestModal
   bind:open={modalOpen}
   mode={modalMode}
diff --git a/src/routes/(app)/master-data/tests/test-modal/BasicInfoForm.svelte b/src/routes/(app)/master-data/tests/test-modal/BasicInfoForm.svelte
index f7b2f6e..3ddd1a4 100644
--- a/src/routes/(app)/master-data/tests/test-modal/BasicInfoForm.svelte
+++ b/src/routes/(app)/master-data/tests/test-modal/BasicInfoForm.svelte
@@ -20,6 +20,13 @@
     onsave = () => {}
   } = $props();
 
+const typeLabels = {
+    TEST: 'Single Test',
+    PARAM: 'Parameter',
+    CALC: 'Calculated',
+    GROUP: 'Panel'
+  };
+
   function handleSubmit(e) {
     e.preventDefault();
     onsave();
@@ -27,6 +34,12 @@
 </script>
 
 <form class="space-y-3" onsubmit={handleSubmit}>
+  <!-- Test Type Header -->
+  <div class="bg-base-200 rounded-lg px-4 py-3 mb-4">
+    <span class="text-sm text-gray-500">Test Type</span>
+    <div class="font-semibold text-lg">{typeLabels[formData.TestType]}</div>
+  </div>
+
   <!-- Basic Info -->
   <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
     <div class="form-control">
@@ -59,38 +72,18 @@
     </div>
   </div>
 
-  <!-- Type and Sequence -->
-  <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-    <div class="form-control">
-      <label class="label" for="testType">
-        <span class="label-text font-medium">Test Type</span>
-        <span class="label-text-alt text-error">*</span>
-      </label>
-      <select
-        id="testType"
-        class="select select-sm select-bordered w-full"
-        bind:value={formData.TestType}
-        required
-      >
-        <option value="TEST">Technical Test</option>
-        <option value="PARAM">Parameter</option>
-        <option value="CALC">Calculated</option>
-        <option value="GROUP">Panel/Profile</option>
-        <option value="TITLE">Section Header</option>
-      </select>
-    </div>
-    <div class="form-control">
-      <label class="label" for="seqScr">
-        <span class="label-text font-medium">Screen Sequence</span>
-      </label>
-      <input
-        id="seqScr"
-        type="number"
-        class="input input-sm input-bordered w-full"
-        bind:value={formData.SeqScr}
-        placeholder="0"
-      />
-    </div>
+  <!-- Sequence -->
+  <div class="form-control max-w-xs">
+    <label class="label" for="seqScr">
+      <span class="label-text font-medium">Screen Sequence</span>
+    </label>
+    <input
+      id="seqScr"
+      type="number"
+      class="input input-sm input-bordered w-full"
+      bind:value={formData.SeqScr}
+      placeholder="0"
+    />
   </div>
 
   <!-- Discipline and Department -->
diff --git a/src/routes/(app)/master-data/tests/test-modal/GroupMembersTab.svelte b/src/routes/(app)/master-data/tests/test-modal/GroupMembersTab.svelte
index d583f68..b0c5019 100644
--- a/src/routes/(app)/master-data/tests/test-modal/GroupMembersTab.svelte
+++ b/src/routes/(app)/master-data/tests/test-modal/GroupMembersTab.svelte
@@ -1,5 +1,5 @@
 <script>
-  import { Search, Plus, X, GripVertical, Microscope } from 'lucide-svelte';
+  import { Search, Plus, X, Microscope } from 'lucide-svelte';
 
   /**
    * @typedef {Object} Props
@@ -16,7 +16,6 @@
   } = $props();
 
   let searchQuery = $state('');
-  let draggedIndex = $state(-1);
 
   // Filter out the current test and already selected tests
   let filteredTests = $derived(
@@ -35,8 +34,7 @@
         TestSiteID: test.TestSiteID,
         TestSiteCode: test.TestSiteCode,
         TestSiteName: test.TestSiteName,
-        TestType: test.TestType,
-        Sequence: (formData.groupMembers?.length || 0) + 1
+        TestType: test.TestType
       }
     ];
     onupdateFormData({ ...formData, groupMembers: newMembers });
@@ -45,43 +43,9 @@
 
   function removeMember(index) {
     const newMembers = formData.groupMembers.filter((_, i) => i !== index);
-    // Reorder sequences
-    newMembers.forEach((member, i) => {
-      member.Sequence = i + 1;
-    });
     onupdateFormData({ ...formData, groupMembers: newMembers });
   }
 
-  function moveMember(fromIndex, toIndex) {
-    if (toIndex < 0 || toIndex >= formData.groupMembers.length) return;
-
-    const members = [...formData.groupMembers];
-    const [moved] = members.splice(fromIndex, 1);
-    members.splice(toIndex, 0, moved);
-
-    // Reorder sequences
-    members.forEach((member, i) => {
-      member.Sequence = i + 1;
-    });
-
-    onupdateFormData({ ...formData, groupMembers: members });
-  }
-
-  function handleDragStart(index) {
-    draggedIndex = index;
-  }
-
-  function handleDragOver(e, index) {
-    e.preventDefault();
-    if (draggedIndex === -1 || draggedIndex === index) return;
-    moveMember(draggedIndex, index);
-    draggedIndex = index;
-  }
-
-  function handleDragEnd() {
-    draggedIndex = -1;
-  }
-
   function getTestTypeBadge(testType) {
     const badges = {
       'TEST': 'badge-primary',
@@ -94,15 +58,15 @@
   }
 </script>
 
-<div class="space-y-3">
-  <!-- Add Member Section -->
-  <div class="bg-base-100 rounded-lg border border-base-200 p-4">
+<div class="grid grid-cols-1 md:grid-cols-2 gap-4 h-[500px]">
+  <!-- Left: Search for Tests -->
+  <div class="bg-base-100 rounded-lg border border-base-200 p-4 flex flex-col">
     <div class="flex items-center gap-2 mb-4">
       <Microscope class="w-5 h-5 text-primary" />
       <h3 class="font-semibold">Add Group Members</h3>
     </div>
 
-    <div class="form-control">
+    <div class="form-control mb-3">
       <div class="relative">
         <Search class="w-5 h-5 absolute left-3 top-1/2 -translate-y-1/2 text-gray-400" />
         <input
@@ -114,8 +78,8 @@
       </div>
     </div>
 
-    {#if searchQuery}
-      <div class="mt-2 max-h-60 overflow-y-auto border border-base-200 rounded-lg">
+    <div class="flex-1 overflow-y-auto border border-base-200 rounded-lg">
+      {#if searchQuery}
         {#if filteredTests.length === 0}
           <div class="p-4 text-center text-gray-500">
             No tests found matching "{searchQuery}"
@@ -138,70 +102,57 @@
             </button>
           {/each}
         {/if}
-      </div>
-    {/if}
-  </div>
-
-  <!-- Selected Members -->
-  <div class="bg-base-100 rounded-lg border border-base-200 p-4">
-    <div class="flex items-center justify-between mb-4">
-      <div class="flex items-center gap-2">
-        <span class="font-semibold">Group Members</span>
-        <span class="badge badge-sm badge-primary">{formData.groupMembers?.length || 0}</span>
-      </div>
-      {#if formData.groupMembers?.length > 0}
-        <span class="text-sm text-gray-500">Drag to reorder</span>
+      {:else}
+        <div class="p-8 text-center text-gray-400">
+          <Search class="w-12 h-12 mx-auto mb-2 opacity-50" />
+          <p>Type to search for tests</p>
+        </div>
       {/if}
     </div>
+  </div>
 
-    {#if !formData.groupMembers || formData.groupMembers.length === 0}
-      <div class="text-center py-8 bg-base-200 rounded-lg border-2 border-dashed border-base-300">
-        <Microscope class="w-12 h-12 mx-auto text-gray-400 mb-2" />
-        <p class="text-gray-500">No members added yet</p>
-        <p class="text-sm text-gray-400 mt-1">Search and add tests above</p>
+  <!-- Right: Selected Members -->
+  <div class="bg-base-100 rounded-lg border border-base-200 p-2 flex flex-col">
+    <div class="flex items-center justify-between mb-2 px-1">
+      <div class="flex items-center gap-2">
+        <span class="font-semibold text-sm">Group Members</span>
+        <span class="badge badge-xs badge-primary">{formData.groupMembers?.length || 0}</span>
       </div>
-    {:else}
-      <div class="space-y-2">
-        {#each formData.groupMembers as member, index (member.TestSiteID)}
-          <div
-            class="card bg-base-100 border border-base-200 hover:border-primary/50 transition-colors"
-            draggable="true"
-            ondragstart={() => handleDragStart(index)}
-            ondragover={(e) => handleDragOver(e, index)}
-            ondragend={handleDragEnd}
-            class:opacity-50={draggedIndex === index}
-          >
-            <div class="card-body p-3 flex flex-row items-center gap-3">
-              <div class="cursor-move text-gray-400 hover:text-gray-600">
-                <GripVertical class="w-5 h-5" />
-              </div>
+    </div>
 
-              <div class="w-8 h-8 rounded-full bg-primary/10 flex items-center justify-center text-primary font-bold text-sm">
-                {member.Sequence}
-              </div>
-
-              <div class="flex-1">
-                <div class="flex items-center gap-2">
-                  <span class="font-mono text-sm text-gray-600">{member.TestSiteCode}</span>
-                  <span class="font-medium">{member.TestSiteName}</span>
+    <div class="flex-1 overflow-y-auto">
+      {#if !formData.groupMembers || formData.groupMembers.length === 0}
+        <div class="h-full flex flex-col items-center justify-center text-center py-6 bg-base-200 rounded-lg border-2 border-dashed border-base-300">
+          <Microscope class="w-8 h-8 text-gray-400 mb-1" />
+          <p class="text-gray-500 text-sm">No members added yet</p>
+          <p class="text-xs text-gray-400 mt-0.5">Search and add tests from the left</p>
+        </div>
+      {:else}
+        <div class="space-y-1">
+          {#each formData.groupMembers as member, index (`${member.TestSiteID}-${index}`)}
+            <div class="flex items-center gap-2 px-2 py-1.5 bg-base-100 border border-base-200 rounded hover:border-primary/50 transition-colors">
+              <div class="flex-1 min-w-0">
+                <div class="flex items-center gap-1.5">
+                  <span class="font-mono text-xs text-gray-600">{member.TestSiteCode}</span>
+                  <span class="text-sm truncate">{member.TestSiteName}</span>
                 </div>
               </div>
 
-              <span class="badge badge-sm {getTestTypeBadge(member.TestType)}">
+              <span class="badge badge-xs {getTestTypeBadge(member.TestType)}">
                 {member.TestType}
               </span>
 
               <button
                 type="button"
-                class="btn btn-sm btn-ghost text-error"
+                class="btn btn-xs btn-ghost text-error p-0 min-h-0 h-6 w-6"
                 onclick={() => removeMember(index)}
               >
-                <X class="w-4 h-4" />
+                <X class="w-3 h-3" />
               </button>
             </div>
-          </div>
-        {/each}
-      </div>
-    {/if}
+          {/each}
+        </div>
+      {/if}
+    </div>
   </div>
 </div>
diff --git a/src/routes/(app)/master-data/tests/test-modal/NumericRefRange.svelte b/src/routes/(app)/master-data/tests/test-modal/NumericRefRange.svelte
index 61c5bff..099f49c 100644
--- a/src/routes/(app)/master-data/tests/test-modal/NumericRefRange.svelte
+++ b/src/routes/(app)/master-data/tests/test-modal/NumericRefRange.svelte
@@ -89,9 +89,9 @@
     if (ref.Low !== null && ref.High !== null) {
       rangeText = `${ref.Low} - ${ref.High}`;
     } else if (ref.Low !== null) {
-      rangeText = `${ref.Low}`;
+      rangeText = `> ${ref.Low}`;
     } else if (ref.High !== null) {
-      rangeText = `${ref.High}`;
+      rangeText = `< ${ref.High}`;
     } else {
       rangeText = 'Not set';
     }
diff --git a/src/routes/(app)/master-data/tests/test-modal/TestTypeSelector.svelte b/src/routes/(app)/master-data/tests/test-modal/TestTypeSelector.svelte
new file mode 100644
index 0000000..6f92e85
--- /dev/null
+++ b/src/routes/(app)/master-data/tests/test-modal/TestTypeSelector.svelte
@@ -0,0 +1,43 @@
+<script>
+  import { Microscope, Variable, Calculator, Box } from 'lucide-svelte';
+
+  /**
+   * @typedef {Object} Props
+   * @property {(type: string) => void} onselect - Selection handler
+   * @property {() => void} oncancel - Cancel handler
+   */
+
+  /** @type {Props} */
+  let {
+    onselect = () => {},
+    oncancel = () => {}
+  } = $props();
+
+  const types = [
+    { value: 'TEST', label: 'Single Test', icon: Microscope, color: 'text-primary', bg: 'bg-primary/10' },
+    { value: 'PARAM', label: 'Parameter', icon: Variable, color: 'text-secondary', bg: 'bg-secondary/10' },
+    { value: 'CALC', label: 'Calculated', icon: Calculator, color: 'text-accent', bg: 'bg-accent/10' },
+    { value: 'GROUP', label: 'Panel', icon: Box, color: 'text-info', bg: 'bg-info/10' }
+  ];
+</script>
+
+<div class="space-y-4">
+  <p class="text-center text-gray-600">Select test type to create</p>
+  <div class="grid grid-cols-2 gap-4">
+    {#each types as type}
+      <button
+        type="button"
+        class="card bg-base-100 border border-base-200 hover:border-primary hover:shadow-md transition-all p-6 flex flex-col items-center gap-3"
+        onclick={() => onselect(type.value)}
+      >
+        <div class="w-12 h-12 rounded-full {type.bg} flex items-center justify-center">
+          <svelte:component this={type.icon} class="w-6 h-6 {type.color}" />
+        </div>
+        <span class="font-medium">{type.label}</span>
+      </button>
+    {/each}
+  </div>
+  <div class="flex justify-center pt-2">
+    <button class="btn btn-ghost btn-sm" onclick={oncancel} type="button">Cancel</button>
+  </div>
+</div>