M20.6 vs M21.6
M20.6 (Acquired deformities of toe(s), unspecified) compared with M21.6 (Other acquired deformities of foot), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. M21.6 carries an Excludes2 note covering M20.6: “deformities of toe (acquired) (M20.1-M20.6-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. M21.6 carries an Excludes2 note covering M20.6: “acquired deformities of fingers or toes (M20.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| M20.6Acquired deformities of toe(s), unspecified | M21.6Other acquired deformities of foot | |
|---|---|---|
| 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 | Acquired deformities of toe(s), unspecified is a non-billable ICD-10-CM category code (M20.6). | Other acquired deformities of foot is a non-billable ICD-10-CM category code (M21.6). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources