diff --git a/COMPONENT_INDEX.md b/COMPONENT_INDEX.md
index 052c625c..53cd8425 100644
--- a/COMPONENT_INDEX.md
+++ b/COMPONENT_INDEX.md
@@ -686,7 +686,9 @@ export interface ComboBoxItem {
 
 ### Slots
 
-None.
+| Slot name | Default | Props                                               | Fallback                          |
+| :-------- | :------ | :-------------------------------------------------- | :-------------------------------- |
+| --        | Yes     | <code>{ item: ComboBoxItem; index: number } </code> | <code>{itemToString(item)}</code> |
 
 ### Events
 
diff --git a/docs/src/COMPONENT_API.json b/docs/src/COMPONENT_API.json
index f7698d84..33067a10 100644
--- a/docs/src/COMPONENT_API.json
+++ b/docs/src/COMPONENT_API.json
@@ -1639,7 +1639,14 @@
         }
       ],
       "moduleExports": [],
-      "slots": [],
+      "slots": [
+        {
+          "name": "__default__",
+          "default": true,
+          "fallback": "{itemToString(item)}",
+          "slot_props": "{ item: ComboBoxItem; index: number }"
+        }
+      ],
       "events": [
         {
           "type": "dispatched",
diff --git a/docs/src/pages/components/ComboBox.svx b/docs/src/pages/components/ComboBox.svx
index b5d11af5..d934e11f 100644
--- a/docs/src/pages/components/ComboBox.svx
+++ b/docs/src/pages/components/ComboBox.svx
@@ -18,6 +18,12 @@ items={[
   {id: "2", text: "Fax"}
   ]}  />
 
+### Custom slot
+
+Override the default slot to customize the display of each item. Access the item and index through the `let:` directive.
+
+<FileSource src="/framed/ComboBox/ComboBoxSlot" />
+
 ### Selected id
 
 <ComboBox titleText="Contact" placeholder="Select contact method"
diff --git a/docs/src/pages/framed/ComboBox/ComboBoxSlot.svelte b/docs/src/pages/framed/ComboBox/ComboBoxSlot.svelte
new file mode 100644
index 00000000..1cf8198f
--- /dev/null
+++ b/docs/src/pages/framed/ComboBox/ComboBoxSlot.svelte
@@ -0,0 +1,29 @@
+<script>
+  import { ComboBox } from "carbon-components-svelte";
+</script>
+
+<ComboBox
+  titleText="Contact"
+  placeholder="Select contact method"
+  items="{[
+    { id: '0', text: 'Slack' },
+    { id: '1', text: 'Email' },
+    { id: '2', text: 'Fax' },
+  ]}"
+  let:item
+  let:index
+>
+  <div>
+    <strong>{item.text}</strong>
+  </div>
+  <div>
+    id: {item.id} - index:
+    {index}
+  </div>
+</ComboBox>
+
+<style>
+  :global(.bx--list-box__menu-item, .bx--list-box__menu-item__option) {
+    height: auto;
+  }
+</style>
diff --git a/src/ComboBox/ComboBox.svelte b/src/ComboBox/ComboBox.svelte
index be693f34..ae0967f8 100644
--- a/src/ComboBox/ComboBox.svelte
+++ b/src/ComboBox/ComboBox.svelte
@@ -3,6 +3,7 @@
    * @typedef {any} ComboBoxItemId
    * @typedef {{ id: ComboBoxItemId; text: string; }} ComboBoxItem
    * @event {{ selectedId: ComboBoxItemId; selectedItem: ComboBoxItem }} select
+   * @slot {{ item: ComboBoxItem; index: number }}
    */
 
   /**
@@ -363,7 +364,9 @@
               highlightedIndex = i;
             }}"
           >
-            {itemToString(item)}
+            <slot item="{item}" index="{i}">
+              {itemToString(item)}
+            </slot>
             {#if selectedItem && selectedItem.id === item.id}
               <Checkmark16 class="bx--list-box__menu-item__selected-icon" />
             {/if}
diff --git a/tests/ComboBox.test.svelte b/tests/ComboBox.test.svelte
index 6635317c..af93d81a 100644
--- a/tests/ComboBox.test.svelte
+++ b/tests/ComboBox.test.svelte
@@ -23,7 +23,12 @@
   on:select="{(e) => {
     console.log(e.detail.selectedId);
   }}"
-/>
+  let:item
+  let:index
+>
+  {item.id}
+  {index}
+</ComboBox>
 
 <ComboBox
   titleText="Contact"
diff --git a/types/ComboBox/ComboBox.svelte.d.ts b/types/ComboBox/ComboBox.svelte.d.ts
index 9054c618..10ebbfd9 100644
--- a/types/ComboBox/ComboBox.svelte.d.ts
+++ b/types/ComboBox/ComboBox.svelte.d.ts
@@ -157,7 +157,7 @@ export default class ComboBox extends SvelteComponentTyped<
     clear: WindowEventMap["clear"];
     scroll: WindowEventMap["scroll"];
   },
-  {}
+  { default: { item: ComboBoxItem; index: number } }
 > {
   /**
    * Clear the combo box programmatically