How is brachioradial pruritus diagnosed?

How is brachioradial pruritus diagnosed?

Doctors use a medical history and several tests to confirm a diagnosis of brachioradial pruritus. These tests include:

• Ice-pack test: A doctor places an ice pack on the affected area to see if symptoms stop when you apply the ice pack and return when you remove it.
• Imaging tests: Tests such as X-ray or MRI help doctors identify spine abnormalities. Osteoarthritis or a herniated disk in the spine may cause a compressed nerve.
• Physical exam: During a physical exam, a doctor looks at and feels the skin on the affected area of the arm.