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M19.272 vs M19.279

M19.272 (Secondary osteoarthritis, left ankle and foot) compared with M19.279 (Secondary osteoarthritis, unspecified ankle and foot), from the official CMS tabular data. M19.272 and M19.279 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M19.272
Left
Secondary osteoarthritis, left ankle and foot
M19.279
Unspecified
Secondary osteoarthritis, unspecified ankle and foot

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. M19.272 and M19.279 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

M19.272Secondary osteoarthritis, left ankle and footM19.279Secondary osteoarthritis, unspecified ankle and foot
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionSecondary osteoarthritis, left ankle and foot is a billable ICD-10-CM diagnosis code (M19.272).Secondary osteoarthritis, unspecified ankle and foot is a billable ICD-10-CM diagnosis code (M19.279).

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources