Other myositis, unspecified shoulder

This code signifies inflammation of the muscle tissue in the shoulder region, specifically when the myositis is not classified as infectious, interstitial, or inclusion body, and the laterality of the shoulder is not specified. It represents a broader category of muscle inflammation affecting the shoulder that doesn't fit more specific myositis diagnoses.

Use this code when documentation clearly indicates myositis of the shoulder, but the specific type of myositis is not further defined (e.g., "other myositis," "unspecified myositis"). This code is appropriate when the physician's notes do not specify whether the right or left shoulder is affected.

• Avoid using this code if a more specific type of myositis (e.g., infectious, toxic, or inclusion body) is documented.
• Always seek clarification from the provider if laterality (right or left shoulder) is not documented, as more specific codes exist.
• Consider codes from category M60.1- (Interstitial myositis) or M60.2- (Inclusion body myositis) if further detail is available.