diff --git a/src/components/Accordion/Accordion.stories.tsx b/src/components/Accordion/Accordion.stories.tsx
index d371bc9ee..93c5ab4cc 100644
--- a/src/components/Accordion/Accordion.stories.tsx
+++ b/src/components/Accordion/Accordion.stories.tsx
@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import { Meta, Story } from '@storybook/react/types-6-0';
+import { includes } from 'ramda';
 
 import { Inline, Stack } from '../layout';
 import { HexGrade } from '../HexGrade';
@@ -72,7 +73,7 @@ CustomTitleElement.args = {
 };
 
 export const AcordionWithExternalManagement: Story<AccordionProps> = () => {
-  const [openItems, setOpenItems] = useState<string[]>([]);
+  const [openItems, setOpenItems] = useState<(string | number)[]>([]);
   const handleOnClick = (id: string) => {
     if (!openItems.includes(id)) {
       const newItems = [id];
@@ -91,16 +92,23 @@ export const AcordionWithExternalManagement: Story<AccordionProps> = () => {
     <Inline gap="xl">
       <Stack gap="sm" justify="flex-start">
         <Button variant="text" onClick={() => handleOnClick('first')}>
-          First section
+          {includes('first', openItems) && '->'} First section
         </Button>
         <Button variant="text" onClick={() => handleOnClick('second')}>
-          Second section
+          {includes('second', openItems) && '->'} Second section
         </Button>
         <Button variant="text" onClick={() => handleOnClick('third')}>
-          Third section
+          {includes('third', openItems) && '->'} Third section
         </Button>
       </Stack>
-      <Accordion items={localItems} openItems={openItems} />
+      <Accordion
+        isCollapsedOnOpen={false}
+        items={localItems}
+        openItems={openItems}
+        onChange={(ids) => {
+          setOpenItems(ids);
+        }}
+      />
     </Inline>
   );
 };
diff --git a/src/components/Accordion/Accordion.tsx b/src/components/Accordion/Accordion.tsx
index 5241e5de8..eb24037c5 100644
--- a/src/components/Accordion/Accordion.tsx
+++ b/src/components/Accordion/Accordion.tsx
@@ -30,29 +30,37 @@ function filterState(
   if (isCollapsedOnOpen) {
     return [item];
   }
+
   return [...state, item];
 }
 
 const Accordion = React.forwardRef<HTMLDivElement, AccordionProps>(
   (
-    { isCollapsedOnOpen = true, items, openItems, className, ...props },
+    {
+      isCollapsedOnOpen = true,
+      items,
+      openItems,
+      className,
+      onChange,
+      ...props
+    },
     ref,
   ) => {
     const [openIds, setOpenIds] = useState(pickOpen(items));
 
-    useEffect(
-      () =>
-        openItems?.forEach((item: AccordionItemId) =>
-          setOpenIds((state) => filterState(state, item, isCollapsedOnOpen)),
-        ),
-      [openItems, isCollapsedOnOpen],
-    );
+    useEffect(() => {
+      if (openItems !== undefined) {
+        setOpenIds(isCollapsedOnOpen ? [openItems[0]] : openItems);
+      }
+    }, [openItems, isCollapsedOnOpen]);
 
     const handleClick = useCallback(
       (id: AccordionItemId) => {
-        setOpenIds((state) => filterState(state, id, isCollapsedOnOpen));
+        const nextState = filterState(openIds, id, isCollapsedOnOpen);
+        setOpenIds(nextState);
+        onChange?.(nextState);
       },
-      [setOpenIds, isCollapsedOnOpen],
+      [openIds, setOpenIds, onChange, isCollapsedOnOpen],
     );
 
     return (
@@ -78,6 +86,7 @@ Accordion.propTypes = {
   isCollapsedOnOpen: PropTypes.bool,
   className: PropTypes.string,
   openItems: PropTypes.arrayOf(AccordionItemIdPropType),
+  onChange: PropTypes.func,
 };
 
 export default Accordion;
diff --git a/src/components/Accordion/Accordion.types.ts b/src/components/Accordion/Accordion.types.ts
index 75a15f814..6748d4704 100644
--- a/src/components/Accordion/Accordion.types.ts
+++ b/src/components/Accordion/Accordion.types.ts
@@ -22,7 +22,8 @@ export interface AccordionProps {
   isCollapsedOnOpen?: boolean;
   items: AccordionItem[];
   className?: string;
-  openItems: AccordionItemId[];
+  openItems?: AccordionItemId[];
+  onChange?: (openIds: AccordionItemId[]) => void;
 }
 
 export const AccordionItemIdPropType = PropTypes.oneOfType([