Osteopathy in diseases classified elsewhere, left shoulder

This code signifies a bone disorder of the left shoulder that is a manifestation or complication of another underlying disease process. It indicates that the osteopathy itself is not the primary condition but rather a secondary effect of a different, specified illness.

Apply this code when documentation clearly links a left shoulder osteopathy to an underlying systemic disease, such as a metabolic disorder, inflammatory condition, or neoplastic process. The medical record should explicitly state the primary disease causing the osteopathic changes in the shoulder.

• Always sequence the underlying disease code first, as M90.812 is a manifestation code.
• Ensure the documentation specifies "left shoulder" to differentiate from other shoulder laterality codes.
• Avoid using this code if the osteopathy is primary or idiopathic; instead, look for more specific osteopathy codes.