diff --git a/packages/eslint-plugin-pf-codemods/src/ruleCustomization.ts b/packages/eslint-plugin-pf-codemods/src/ruleCustomization.ts
index 9ba0caa98..e8e21a3c5 100644
--- a/packages/eslint-plugin-pf-codemods/src/ruleCustomization.ts
+++ b/packages/eslint-plugin-pf-codemods/src/ruleCustomization.ts
@@ -23,6 +23,7 @@ export const warningRules = [
   "label-warn-truncated-default",
   "menuToggle-warn-iconOnly-toggle",
   "nav-warn-flyouts-now-inline",
+  "notificationBadge-warn-markup-change",
   "overflowMenu-warn-updated-dropdownItem",
   "pageSection-warn-variantClasses-applied",
   "popover-warn-appendTo-default",
diff --git a/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.md b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.md
new file mode 100644
index 000000000..b2959e9fe
--- /dev/null
+++ b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.md
@@ -0,0 +1,3 @@
+### notificationBadge-warn-markup-change [(#10020)](https://github.com/patternfly/patternfly-react/pull/10020)
+
+The markup for NotificationBadge has changed, as it now uses stateful button internally.
diff --git a/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.test.ts b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.test.ts
new file mode 100644
index 000000000..d898538d1
--- /dev/null
+++ b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.test.ts
@@ -0,0 +1,22 @@
+const ruleTester = require('../../ruletester');
+import * as rule from './notificationBadge-warn-markup-change';
+
+ruleTester.run('notificationBadge-warn-markup-change', rule, {
+  valid: [
+    {
+      code: `import { NotificationBadge } from '@someOtherPackage';`,
+    },
+  ],
+  invalid: [
+    {
+      code: `import { NotificationBadge } from '@patternfly/react-core';`,
+      output: `import { NotificationBadge } from '@patternfly/react-core';`,
+      errors: [
+        {
+          message: `The markup for NotificationBadge has changed, as it now uses stateful button internally.`,
+          type: 'ImportDeclaration',
+        },
+      ],
+    },
+  ],
+});
diff --git a/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.ts b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.ts
new file mode 100644
index 000000000..c851b5f75
--- /dev/null
+++ b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadge-warn-markup-change.ts
@@ -0,0 +1,36 @@
+import { getFromPackage } from '../../helpers';
+import { Rule } from 'eslint';
+import { ImportDeclaration } from 'estree-jsx';
+
+// https://github.com/patternfly/patternfly-react/pull/10020
+module.exports = {
+  meta: {},
+  create: function (context: Rule.RuleContext) {
+    const { imports } = getFromPackage(context, '@patternfly/react-core');
+
+    const notificationBadgeImport = imports.find(
+      (specifier) => specifier.imported.name === 'NotificationBadge'
+    );
+
+    return !notificationBadgeImport
+      ? {}
+      : {
+          ImportDeclaration(node: ImportDeclaration) {
+            if (
+              node.specifiers.find(
+                (specifier) =>
+                  specifier.type === 'ImportSpecifier' &&
+                  specifier.imported.name ===
+                    notificationBadgeImport.imported.name
+              )
+            ) {
+              context.report({
+                node,
+                message:
+                  'The markup for NotificationBadge has changed, as it now uses stateful button internally.',
+              });
+            }
+          },
+        };
+  },
+};
diff --git a/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeInput.tsx b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeInput.tsx
new file mode 100644
index 000000000..b4b29d14a
--- /dev/null
+++ b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeInput.tsx
@@ -0,0 +1 @@
+import { NotificationBadge } from '@patternfly/react-core';
diff --git a/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeOutput.tsx b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeOutput.tsx
new file mode 100644
index 000000000..b4b29d14a
--- /dev/null
+++ b/packages/eslint-plugin-pf-codemods/src/rules/v6/notificationBadgeWarnMarkupChange/notificationBadgeWarnMarkupChangeOutput.tsx
@@ -0,0 +1 @@
+import { NotificationBadge } from '@patternfly/react-core';