M61.4 vs M65.2
M61.4 (Other calcification of muscle) compared with M65.2 (Calcific tendinitis), 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. M61.4 carries an Excludes1 note covering M65.2: “calcific tendinitis NOS (M65.2-)”
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
| M61.4Other calcification of muscle | M65.2Calcific tendinitis | |
|---|---|---|
| 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 | Other calcification of muscle is a non-billable ICD-10-CM category code (M61.4). | Calcific tendinitis is a non-billable ICD-10-CM category code (M65.2). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources