M05.32 vs M61
M05.32 (Rheumatoid heart disease with rheumatoid arthritis of elbow) compared with M61 (Calcification and ossification of muscle), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M61 carries an Excludes1 note covering M05.32: “myopathy in rheumatoid arthritis (M05.32)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| M05.32Rheumatoid heart disease with rheumatoid arthritis of elbow | M61Calcification and ossification of muscle | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Rheumatoid heart disease with rheumatoid arthritis of elbow is a non-billable ICD-10-CM category code (M05.32). | Calcification and ossification of muscle is a non-billable ICD-10-CM category code (M61). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources