Algoneurodystrophy, right shoulder

This code represents algoneurodystrophy, also known as Complex Regional Pain Syndrome (CRPS) Type I, affecting the right shoulder. It is a chronic pain condition characterized by severe, burning pain, swelling, and trophic changes in the affected limb, without a demonstrable nerve lesion.

Use this code when documentation clearly indicates a diagnosis of algoneurodystrophy or CRPS Type I specifically localized to the patient's right shoulder. Supporting documentation should detail the characteristic symptoms, such as allodynia, hyperalgesia, edema, sudomotor dysfunction, and motor/trophic changes, and rule out a major nerve injury.

• Ensure laterality is accurately documented and coded; this code is specific to the right shoulder.
• Distinguish from CRPS Type II (causalgia), which involves a confirmed nerve injury, and is coded differently.
• Look for terms like "reflex sympathetic dystrophy (RSD)" or "Sudeck's atrophy" as these are older terms for algoneurodystrophy/CRPS Type I.