diff --git a/src/pages/dataElements/fields/CategoryComboField.test.tsx b/src/pages/dataElements/fields/CategoryComboField.test.tsx
new file mode 100644
index 00000000..a48cadfb
--- /dev/null
+++ b/src/pages/dataElements/fields/CategoryComboField.test.tsx
@@ -0,0 +1,180 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { render, fireEvent, waitFor } from '@testing-library/react'
+import React from 'react'
+import { Form, useForm } from 'react-final-form'
+import { RouterProvider, createMemoryRouter } from 'react-router-dom'
+import { dataResolvers } from '../../../components/metadataFormControls/CategoryComboSelect/CategoryComboSelect.test'
+import { ComponentWithProvider } from '../../../testUtils/TestComponentWithRouter'
+import { CategoryComboField } from './CategoryComboField'
+
+jest.mock('react-final-form', () => {
+    const RFF = jest.requireActual('react-final-form')
+    const useForm = jest.fn(() => ({ change: jest.fn() }))
+    return { ...RFF, useForm }
+})
+
+describe('<CategoryComboField />', () => {
+    it('should be required', async () => {
+        const customData = { ...dataResolvers }
+        const onSubmit = jest.fn()
+        const router = createMemoryRouter([
+            {
+                path: '/',
+                element: (
+                    <Form
+                        onSubmit={onSubmit}
+                        initialValues={{ categoryCombo: { id: '' } }}
+                    >
+                        {({ handleSubmit }) => (
+                            <form onSubmit={handleSubmit}>
+                                <CategoryComboField />
+                                <button type="submit">Submit</button>
+                            </form>
+                        )}
+                    </Form>
+                ),
+            },
+        ])
+        const result = render(
+            <ComponentWithProvider dataForCustomProvider={customData}>
+                <RouterProvider router={router} />
+            </ComponentWithProvider>
+        )
+
+        const submitButton = await result.findByText('Submit', {
+            selector: 'button',
+        })
+        fireEvent.click(submitButton)
+
+        expect(
+            result.getByTestId(
+                'dataelementsformfields-categorycombo-validation'
+            )
+        ).toBeTruthy()
+        expect(onSubmit).toHaveBeenCalledTimes(0)
+    })
+
+    it('should not be disabled when domainType is not tracker', () => {
+        const customData = { ...dataResolvers }
+        const onSubmit = jest.fn()
+        const router = createMemoryRouter([
+            {
+                path: '/',
+                element: (
+                    <Form
+                        onSubmit={onSubmit}
+                        initialValues={{
+                            domainType: 'AGGREGATE',
+                            categoryCombo: { id: '' },
+                        }}
+                    >
+                        {({ handleSubmit }) => (
+                            <form onSubmit={handleSubmit}>
+                                <CategoryComboField />
+                            </form>
+                        )}
+                    </Form>
+                ),
+            },
+        ])
+
+        const result = render(
+            <ComponentWithProvider dataForCustomProvider={customData}>
+                <RouterProvider router={router} />
+            </ComponentWithProvider>
+        )
+
+        expect(result.container.querySelector('.disabled')).toBeFalsy()
+    })
+
+    it('should be disabled when domainType is set to tracker', async () => {
+        const customData = { ...dataResolvers }
+        const onSubmit = jest.fn()
+        const router = createMemoryRouter([
+            {
+                path: '/',
+                element: (
+                    <Form
+                        onSubmit={onSubmit}
+                        initialValues={{
+                            domainType: 'TRACKER',
+                            categoryCombo: { id: '' },
+                        }}
+                    >
+                        {({ handleSubmit }) => (
+                            <form onSubmit={handleSubmit}>
+                                <CategoryComboField />
+                            </form>
+                        )}
+                    </Form>
+                ),
+            },
+        ])
+
+        const result = render(
+            <ComponentWithProvider dataForCustomProvider={customData}>
+                <RouterProvider router={router} />
+            </ComponentWithProvider>
+        )
+
+        expect(result.container.querySelector('.disabled')).toBeTruthy()
+    })
+
+    it('should change the value to the default category combo when domainType is set to tracker', async () => {
+        const change = jest.fn()
+
+        // Doing (useForm as jest.Mock).mockImplementation(...) causes some issues?
+        const uF = useForm as jest.Mock
+        uF.mockImplementation(() => ({ change }))
+
+        const customData = {
+            ...dataResolvers,
+            categoryCombos: (...args: any[]) => {
+                const [, query] = args
+
+                if (query.params?.filter?.includes('isDefault:eq:true')) {
+                    return Promise.resolve({
+                        categoryCombos: [{ id: 'bjDvmb4bfuf' }],
+                    })
+                }
+
+                return dataResolvers.categoryCombos(...args)
+            },
+        }
+        const onSubmit = jest.fn()
+        const router = createMemoryRouter([
+            {
+                path: '/',
+                element: (
+                    <Form
+                        onSubmit={onSubmit}
+                        initialValues={{
+                            domainType: 'TRACKER',
+                            categoryCombo: { id: '' },
+                        }}
+                    >
+                        {({ handleSubmit }) => (
+                            <form onSubmit={handleSubmit}>
+                                <CategoryComboField />
+                            </form>
+                        )}
+                    </Form>
+                ),
+            },
+        ])
+
+        render(
+            <ComponentWithProvider dataForCustomProvider={customData}>
+                <RouterProvider router={router} />
+            </ComponentWithProvider>
+        )
+
+        await waitFor(() => {
+            expect(change).toHaveBeenCalledTimes(1)
+            expect(change).toHaveBeenCalledWith(
+                'categoryCombo.id',
+                'bjDvmb4bfuf'
+            )
+        })
+    })
+})