How is acanthosis nigricans diagnosed?
How is acanthosis nigricans diagnosed?
Your healthcare provider will talk to you about your symptoms and medical history and perform a physical exam. Often, these steps are enough to diagnose AN. Other tests to diagnose AN include:
- Blood work, which can help confirm or rule out underlying conditions such as diabetes.
- Skin biopsy (taking a sample of skin tissue), on rare occasions, if the diagnosis is not straightforward.