Other systemic sclerosis

This code represents systemic sclerosis that does not fit the criteria for limited cutaneous, diffuse cutaneous, or systemic sclerosis with lung involvement. It encompasses atypical presentations or variants of systemic sclerosis affecting multiple organ systems.

Use this code when documentation specifies systemic sclerosis but does not clearly classify it into a more specific type (e.g., "systemic sclerosis, unspecified type," or "systemic sclerosis with atypical features"). Supporting documentation should detail systemic involvement without meeting the criteria for other M34 subcategories.

• Do not use this code if a more specific systemic sclerosis code (e.g., M34.0, M34.1, M34.81) can be assigned based on documentation.
• Always review the patient's medical record for specific organ involvement (e.g., lung, kidney) that might warrant additional codes.
• Query the provider if the type of systemic sclerosis is ambiguous or if specific organ manifestations are present but not clearly linked to a more precise M34 subcategory.