diff --git a/src/main/java/com/madeu/crm/settings/medicalcategory/dto/MedicalCategoryDTO.java b/src/main/java/com/madeu/crm/settings/medicalcategory/dto/MedicalCategoryDTO.java
index cb028cc..b6c179b 100644
--- a/src/main/java/com/madeu/crm/settings/medicalcategory/dto/MedicalCategoryDTO.java
+++ b/src/main/java/com/madeu/crm/settings/medicalcategory/dto/MedicalCategoryDTO.java
@@ -42,6 +42,9 @@ public class MedicalCategoryDTO {
     // 단가
     private Double kindCost;
 
+    // 할인가
+    private Double dcCost;
+
     // 제품설명
     private String kindMsg1;
 
diff --git a/src/main/resources/mappers/crm/settings/medicalcategory/MedicalCategoryMapper.xml b/src/main/resources/mappers/crm/settings/medicalcategory/MedicalCategoryMapper.xml
index 2f97af4..65c3ad9 100644
--- a/src/main/resources/mappers/crm/settings/medicalcategory/MedicalCategoryMapper.xml
+++ b/src/main/resources/mappers/crm/settings/medicalcategory/MedicalCategoryMapper.xml
@@ -16,6 +16,7 @@
                a.divi_sort,
                a.cust_list_pid,
                a.kind_cost,
+               a.dc_cost,
                a.kind_msg1,
                a.kind_msg2,
                a.kind_unit,
@@ -60,6 +61,7 @@
                a.divi_sort,
                a.cust_list_pid,
                a.kind_cost,
+               a.dc_cost,
                a.kind_msg1,
                a.kind_msg2,
                a.kind_unit,
@@ -102,6 +104,7 @@
                divi_sort,
                cust_list_pid,
                kind_cost,
+               dc_cost,
                kind_msg1,
                kind_msg2,
                kind_unit,
@@ -130,6 +133,7 @@
                IFNULL(#{diviSort}, 0),
                IFNULL(#{custListPid}, 0),
                IFNULL(#{kindCost}, 0),
+               IFNULL(#{dcCost}, 0),
                IFNULL(#{kindMsg1}, ''),
                IFNULL(#{kindMsg2}, ''),
                IFNULL(#{kindUnit}, ''),
@@ -184,6 +188,9 @@
                <if test='kindCost != null'>
                    kind_cost = #{kindCost},
                </if>
+               <if test='dcCost != null'>
+                   dc_cost = #{dcCost},
+               </if>
                <if test='kindMsg1 != null'>
                    kind_msg1 = #{kindMsg1},
                </if>
diff --git a/src/main/resources/static/js/web/settings/medicalcategory/medicalCategoryList.js b/src/main/resources/static/js/web/settings/medicalcategory/medicalCategoryList.js
index c98f3c5..9faa144 100644
--- a/src/main/resources/static/js/web/settings/medicalcategory/medicalCategoryList.js
+++ b/src/main/resources/static/js/web/settings/medicalcategory/medicalCategoryList.js
@@ -1,7 +1,7 @@
 /**
  * 통합 진료유형 관리 (medicalCategoryList.js)
  * - medical_divi_list 테이블 기반
- * - Depth 1(진료과목 select) → Depth 2/3/4 (Tabulator 그리드)
+ * - Depth 1(진료과목 select) → Depth 2/3/4/5 (Tabulator 그리드)
  */
 $(document).ready(function () {
     let globalTreeData = [];
@@ -9,6 +9,7 @@ $(document).ready(function () {
     let table2 = null;
     let table3 = null;
     let table4 = null;
+    let table5 = null;
     let tableOverview = null;
     let overviewInitialized = false;
 
@@ -139,29 +140,45 @@ $(document).ready(function () {
                 { title: "명칭", field: "divi_name", formatter: categoryNameFormatter, tooltip: true },
                 { title: "순서", field: "divi_sort", width: 38, hozAlign: "center", cssClass: "col-sm" },
                 { title: "하위", width: 50, hozAlign: "center", headerSort: false, formatter: function (c) { return addDescendantFormatter(c, 2); }, cellClick: function (e, cell) { e.stopPropagation(); var d = cell.getRow().getData(); addChildCategory(d.pid, 3, d.divi_name); } }
-            ]
+            ],
+            placeholder: "진료유형을 선택하세요."
         }));
 
-        // Depth 3 Grid - 순번, 명칭, 거래처, 담당자(연락처), 단가, 순서, 하위
+        // Depth 3 Grid (제품) - 순번, 명칭, 거래처, 담당자(연락처), 단가, 순서, 하위
         table3 = new Tabulator("#gridDepth3", Object.assign({}, commonOpts, {
             columns: [
                 { title: "순번", formatter: "rownum", width: 38, hozAlign: "center", headerSort: false, cssClass: "col-sm" },
                 { title: "명칭", field: "divi_name", formatter: categoryNameFormatter, tooltip: true },
-                { title: "거래처", field: "cust_name", width: 90, hozAlign: "center", tooltip: true },
-                { title: "담당자(연락처)", field: "cust_contact", width: 110, hozAlign: "center", tooltip: true },
-                { title: "단가", field: "kind_cost", width: 80, hozAlign: "right", formatter: costFormatter },
+                // { title: "거래처", field: "cust_name", width: 90, hozAlign: "center", tooltip: true },
+                // { title: "담당자(연락처)", field: "cust_contact", width: 110, hozAlign: "center", tooltip: true },
+                // { title: "단가", field: "kind_cost", width: 80, hozAlign: "right", formatter: costFormatter },
                 { title: "순서", field: "divi_sort", width: 38, hozAlign: "center", cssClass: "col-sm" },
                 { title: "하위", width: 50, hozAlign: "center", headerSort: false, formatter: function (c) { return addDescendantFormatter(c, 3); }, cellClick: function (e, cell) { e.stopPropagation(); var d = cell.getRow().getData(); addChildCategory(d.pid, 4, d.divi_name); } }
-            ]
+            ],
+            placeholder: "진료유형을 선택하세요."
         }));
 
-        // Depth 4 Grid - 순번, 명칭, 순서 (하위 없음)
+        // Depth 4 Grid (용량/출력) - 순번, 명칭, 단가, 할인가, 순서, 하위
         table4 = new Tabulator("#gridDepth4", Object.assign({}, commonOpts, {
+            columns: [
+                { title: "순번", formatter: "rownum", width: 38, hozAlign: "center", headerSort: false, cssClass: "col-sm" },
+                { title: "명칭", field: "divi_name", formatter: categoryNameFormatter, tooltip: true },
+                { title: "단가", field: "kind_cost", width: 80, hozAlign: "right", formatter: costFormatter },
+                { title: "할인가", field: "dc_cost", width: 80, hozAlign: "right", formatter: costFormatter },
+                { title: "순서", field: "divi_sort", width: 38, hozAlign: "center", cssClass: "col-sm" },
+                { title: "하위", width: 50, hozAlign: "center", headerSort: false, formatter: function (c) { return addDescendantFormatter(c, 4); }, cellClick: function (e, cell) { e.stopPropagation(); var d = cell.getRow().getData(); addChildCategory(d.pid, 5, d.divi_name); } }
+            ],
+            placeholder: "제품/시술을 선택하세요."
+        }));
+
+        // Depth 5 Grid (부위) - 순번, 명칭, 순서 (최하위, 하위 없음)
+        table5 = new Tabulator("#gridDepth5", Object.assign({}, commonOpts, {
             columns: [
                 { title: "순번", formatter: "rownum", width: 38, hozAlign: "center", headerSort: false, cssClass: "col-sm" },
                 { title: "명칭", field: "divi_name", formatter: categoryNameFormatter, tooltip: true },
                 { title: "순서", field: "divi_sort", width: 38, hozAlign: "center", cssClass: "col-sm" }
-            ]
+            ],
+            placeholder: "용량을 선택하세요."
         }));
 
         // Shift+Click 범위 선택을 위한 마지막 클릭 행 추적
@@ -200,6 +217,7 @@ $(document).ready(function () {
         table2.on("rowClick", function (e, row) { handleRowClick(e, row, table2, 2); });
         table3.on("rowClick", function (e, row) { handleRowClick(e, row, table3, 3); });
         table4.on("rowClick", function (e, row) { handleRowClick(e, row, table4, 4); });
+        table5.on("rowClick", function (e, row) { handleRowClick(e, row, table5, 5); });
 
 
         function onCellDblClick(e, cell) {
@@ -210,10 +228,12 @@ $(document).ready(function () {
         table2.on("cellDblClick", onCellDblClick);
         table3.on("cellDblClick", onCellDblClick);
         table4.on("cellDblClick", onCellDblClick);
+        table5.on("cellDblClick", onCellDblClick);
 
         table2.on("rowContext", onRowContextMenu);
         table3.on("rowContext", onRowContextMenu);
         table4.on("rowContext", onRowContextMenu);
+        table5.on("rowContext", onRowContextMenu);
 
         window.loadData();
     }
@@ -277,15 +297,30 @@ $(document).ready(function () {
                 }
             });
             table4.setData([]);
+            table5.setData([]);
             $("#btnArea3").html('<button class="put_btn" onclick="addChildCategory(\'' + data.pid + '\', \'3\', \'' + (data.divi_name || '').replace(/'/g, "\\'") + '\')"><img src="/image/web/notice_btn_icon.svg" alt="추가" style="width:12px; height:12px; margin:0; position:static !important;">추가</button>');
             $("#btnArea4").empty();
+            $("#btnArea5").empty();
         } else if (depth === 3) {
             table4.setData(children).then(function () {
                 if (currentState && currentState.depth4) {
                     table4.selectRow(currentState.depth4);
+                    let selectedRows = table4.getSelectedRows();
+                    if (selectedRows && selectedRows.length > 0) {
+                        clickRow(selectedRows[0], 4, currentState);
+                    }
                 }
             });
+            table5.setData([]);
             $("#btnArea4").html('<button class="put_btn" onclick="addChildCategory(\'' + data.pid + '\', \'4\', \'' + (data.divi_name || '').replace(/'/g, "\\'") + '\')"><img src="/image/web/notice_btn_icon.svg" alt="추가" style="width:12px; height:12px; margin:0; position:static !important;">추가</button>');
+            $("#btnArea5").empty();
+        } else if (depth === 4) {
+            table5.setData(children).then(function () {
+                if (currentState && currentState.depth5) {
+                    table5.selectRow(currentState.depth5);
+                }
+            });
+            $("#btnArea5").html('<button class="put_btn" onclick="addChildCategory(\'' + data.pid + '\', \'5\', \'' + (data.divi_name || '').replace(/'/g, "\\'") + '\')"><img src="/image/web/notice_btn_icon.svg" alt="추가" style="width:12px; height:12px; margin:0; position:static !important;">추가</button>');
         }
     }
 
@@ -312,10 +347,12 @@ $(document).ready(function () {
             let selected2 = table2.getSelectedData()[0];
             let selected3 = table3.getSelectedData()[0];
             let selected4 = table4.getSelectedData()[0];
+            let selected5 = table5.getSelectedData()[0];
 
             if (selected2) currentState.depth2 = selected2.pid;
             if (selected3) currentState.depth3 = selected3.pid;
             if (selected4) currentState.depth4 = selected4.pid;
+            if (selected5) currentState.depth5 = selected5.pid;
         }
 
         $.ajax({
@@ -370,9 +407,11 @@ $(document).ready(function () {
             table2.setData([]);
             table3.setData([]);
             table4.setData([]);
+            table5.setData([]);
             $("#btnArea2").empty();
             $("#btnArea3").empty();
             $("#btnArea4").empty();
+            $("#btnArea5").empty();
 
             if (tableOverview) tableOverview.setData([]);
             return;
@@ -460,9 +499,11 @@ $(document).ready(function () {
             table2.setData([]);
             table3.setData([]);
             table4.setData([]);
+            table5.setData([]);
             $("#btnArea2").empty();
             $("#btnArea3").empty();
             $("#btnArea4").empty();
+            $("#btnArea5").empty();
             return;
         }
 
@@ -471,8 +512,10 @@ $(document).ready(function () {
 
         table3.setData([]);
         table4.setData([]);
+        table5.setData([]);
         $("#btnArea3").empty();
         $("#btnArea4").empty();
+        $("#btnArea5").empty();
 
         if (node && node._children) {
             table2.setData(node._children).then(function () {
diff --git a/src/main/resources/static/js/web/settings/medicalcategory/popup/medicalCategoryInfoPop.js b/src/main/resources/static/js/web/settings/medicalcategory/popup/medicalCategoryInfoPop.js
index 3e5d4ba..8512259 100644
--- a/src/main/resources/static/js/web/settings/medicalcategory/popup/medicalCategoryInfoPop.js
+++ b/src/main/resources/static/js/web/settings/medicalcategory/popup/medicalCategoryInfoPop.js
@@ -14,8 +14,8 @@ $(document).ready(function () {
 
     bindEvents();
 
-    // 뎁스3이면 거래처 목록을 로드한 뒤 폼 초기화를 진행
-    if (diviDept === '3' || mode === 'edit') {
+    // 뎁스3 또는 4이면 거래처 목록을 로드한 뒤 폼 초기화를 진행
+    if (diviDept === '3' || diviDept === '4' || mode === 'edit') {
         loadCustList().then(function () {
             initForm();
             applyDepthUI();
@@ -35,6 +35,7 @@ $(document).ready(function () {
             $("#trNoTax1").hide();
         }
 
+        // Depth 3: 제품/시술 정보 (거래처, 제품설명, 기타설명)
         if (currentDept == '3') {
             $("#productInfoTitle").show();
             $("#productInfoTable").show();
@@ -42,6 +43,15 @@ $(document).ready(function () {
             $("#productInfoTitle").hide();
             $("#productInfoTable").hide();
         }
+
+        // Depth 4: 용량/출력 정보 (단가, 할인가, 단위, 비율)
+        if (currentDept == '4') {
+            $("#volumeInfoTitle").show();
+            $("#volumeInfoTable").show();
+        } else {
+            $("#volumeInfoTitle").hide();
+            $("#volumeInfoTable").hide();
+        }
     }
 
     // 거래처 셀렉트 박스 세팅
@@ -68,9 +78,22 @@ $(document).ready(function () {
         });
     }
 
+    // Depth별 타이틀 매핑
+    var depthTitleMap = {
+        '1': '진료과목',
+        '2': '진료유형',
+        '3': '제품/시술',
+        '4': '용량/출력',
+        '5': '부위'
+    };
+
+    function getDepthTitle(dept) {
+        return depthTitleMap[dept] || '진료유형';
+    }
+
     function initForm() {
         if (mode === 'add') {
-            $("#popTitle").text((diviDept == '1' ? '최상위 ' : '') + '진료유형 신규 등록');
+            $("#popTitle").text(getDepthTitle(diviDept) + ' 신규 등록');
             $("#pid").val('');
             $("#diviDept").val(diviDept);
             $("#diviParent").val(diviParent);
@@ -81,7 +104,7 @@ $(document).ready(function () {
                 $("#parentNameTxt").text(parentName);
             }
         } else if (mode === 'edit') {
-            $("#popTitle").text('진료유형 정보 수정');
+            $("#popTitle").text(getDepthTitle(diviDept) + ' 정보 수정');
             $("#pid").val(pid);
             $("#btn_delete").show();
             loadDetail(pid);
@@ -107,6 +130,7 @@ $(document).ready(function () {
                         $("#custListPid").val(data.cust_list_pid);
                     }
                     $("#kindCost").val(data.kind_cost || 0);
+                    $("#dcCost").val(data.dc_cost || 0);
                     $("#kindUnit").val(data.kind_unit || '');
                     $("#kindUnitVol").val(data.kind_unit_vol || 0);
                     $("#kindUnit2").val(data.kind_unit2 || '');
@@ -207,6 +231,7 @@ $(document).ready(function () {
             // 단가/제품 정보
             custListPid: parseInt($("#custListPid").val() || "0", 10),
             kindCost: parseFloat($("#kindCost").val() || "0"),
+            dcCost: parseFloat($("#dcCost").val() || "0"),
             kindUnit: $("#kindUnit").val(),
             kindUnitVol: parseFloat($("#kindUnitVol").val() || "0"),
             kindUnit2: $("#kindUnit2").val(),
diff --git a/src/main/resources/templates/web/settings/medicalcategory/medicalCategoryList.html b/src/main/resources/templates/web/settings/medicalcategory/medicalCategoryList.html
index 9c9b6e1..14526c1 100644
--- a/src/main/resources/templates/web/settings/medicalcategory/medicalCategoryList.html
+++ b/src/main/resources/templates/web/settings/medicalcategory/medicalCategoryList.html
@@ -84,10 +84,10 @@
                         </div>
                     </div>
 
-                    <!-- 2depth | 3depth | 4depth 가로 배치 -->
+                    <!-- 2depth | 3depth | 4depth | 5depth 가로 배치 -->
                     <div class="category-tree-layout">
-                        <!-- Depth 2 -->
-                        <div class="category-tree-panel" style="flex:25; width:auto; min-width:0;">
+                        <!-- Depth 2: 진료유형 -->
+                        <div class="category-tree-panel" style="flex:20; width:auto; min-width:0;">
                             <div class="tree-panel-header">
                                 <span class="tree-panel-title">진료유형</span>
                                 <div class="tree-panel-actions" id="btnArea2"></div>
@@ -95,8 +95,8 @@
                             <div id="gridDepth2" class="category-tree-container"></div>
                         </div>
 
-                        <!-- Depth 3 -->
-                        <div class="category-tree-panel" style="flex:55; width:auto; min-width:0;">
+                        <!-- Depth 3: 제품 -->
+                        <div class="category-tree-panel" style="flex:20; width:auto; min-width:0;">
                             <div class="tree-panel-header">
                                 <span class="tree-panel-title">제품/시술</span>
                                 <div class="tree-panel-actions" id="btnArea3"></div>
@@ -104,14 +104,23 @@
                             <div id="gridDepth3" class="category-tree-container"></div>
                         </div>
 
-                        <!-- Depth 4 -->
-                        <div class="category-tree-panel" style="flex:20; width:auto; min-width:0;">
+                        <!-- Depth 4: 용량 -->
+                        <div class="category-tree-panel" style="flex:35; width:auto; min-width:0;">
                             <div class="tree-panel-header">
-                                <span class="tree-panel-title">부위</span>
+                                <span class="tree-panel-title">용량/출력</span>
                                 <div class="tree-panel-actions" id="btnArea4"></div>
                             </div>
                             <div id="gridDepth4" class="category-tree-container"></div>
                         </div>
+
+                        <!-- Depth 5: 부위 -->
+                        <div class="category-tree-panel" style="flex:25; width:auto; min-width:0;">
+                            <div class="tree-panel-header">
+                                <span class="tree-panel-title">부위</span>
+                                <div class="tree-panel-actions" id="btnArea5"></div>
+                            </div>
+                            <div id="gridDepth5" class="category-tree-container"></div>
+                        </div>
                     </div>
                 </div>
 
diff --git a/src/main/resources/templates/web/settings/medicalcategory/popup/medicalCategoryInfoPop.html b/src/main/resources/templates/web/settings/medicalcategory/popup/medicalCategoryInfoPop.html
index 24cabb6..3bc77aa 100644
--- a/src/main/resources/templates/web/settings/medicalcategory/popup/medicalCategoryInfoPop.html
+++ b/src/main/resources/templates/web/settings/medicalcategory/popup/medicalCategoryInfoPop.html
@@ -224,8 +224,8 @@
             </tbody>
         </table>
 
-        <!-- 단가/제품 정보 -->
-        <div class="section-title" id="productInfoTitle">단가/제품 정보</div>
+        <!-- 제품/시술 정보 (Depth 3 전용) -->
+        <div class="section-title" id="productInfoTitle">제품/시술 정보</div>
         <table class="board_write" id="productInfoTable">
             <colgroup>
                 <col width="120px">
@@ -241,10 +241,33 @@
                         </select>
                     </td>
                 </tr>
+                <tr>
+                    <th>제품설명</th>
+                    <td><input type="text" id="kindMsg1" class="w100p" placeholder="제품설명을 입력하세요"></td>
+                </tr>
+                <tr>
+                    <th>기타설명</th>
+                    <td><input type="text" id="kindMsg2" class="w100p" placeholder="기타설명을 입력하세요"></td>
+                </tr>
+            </tbody>
+        </table>
+
+        <!-- 용량/출력 정보 (Depth 4 전용) -->
+        <div class="section-title" id="volumeInfoTitle">용량/출력 정보</div>
+        <table class="board_write" id="volumeInfoTable">
+            <colgroup>
+                <col width="120px">
+                <col width="*">
+            </colgroup>
+            <tbody>
                 <tr>
                     <th>단가</th>
                     <td><input type="number" id="kindCost" class="w120" value="0"></td>
                 </tr>
+                <tr>
+                    <th>할인가</th>
+                    <td><input type="number" id="dcCost" class="w120" value="0"></td>
+                </tr>
                 <tr>
                     <th>단위</th>
                     <td>
@@ -254,14 +277,6 @@
                         <input type="text" id="kindUnit2" style="width:60px;" placeholder="단위">
                     </td>
                 </tr>
-                <tr>
-                    <th>제품설명</th>
-                    <td><input type="text" id="kindMsg1" class="w100p" placeholder="제품설명을 입력하세요"></td>
-                </tr>
-                <tr>
-                    <th>기타설명</th>
-                    <td><input type="text" id="kindMsg2" class="w100p" placeholder="기타설명을 입력하세요"></td>
-                </tr>
                 <tr>
                     <th>비율</th>
                     <td><input type="text" id="ccRate" class="w120" placeholder="비율"></td>