Inflammation of the circumflex nerve, which may cause shoulder pain and weakness in arm lifting.
Medical records showing a diagnosis of circumflex nerve neuritis and describing how much shoulder and arm function you have lost are central to establishing your rating level. Physical examination findings are especially important — specifically, measurements of how far you can raise your arm to the side (abduction) and how much outward rotation remains, along with any weakness noted in the deltoid and teres minor muscles.
Nerve conduction studies or electromyography (EMG) results can show the degree of nerve damage and help distinguish complete from incomplete involvement. If your condition is purely sensory — meaning pain, numbness, or tingling without motor weakness — the regulation limits the rating to mild or at most moderate. Your own statements, and statements from people who see you daily, describing how shoulder weakness or pain affects tasks like lifting, reaching, dressing, or your ability to work can help show the functional impact at each level. Records from treating providers that track whether your symptoms are improving, stable, or worsening over time also support an accurate picture of severity.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.