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M61.361 vs M61.369

M61.361 (Calcification and ossification of muscles associated with burns, right lower leg) compared with M61.369 (Calcification and ossification of muscles associated with burns, unspecified lower leg), from the official CMS tabular data. M61.361 and M61.369 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M61.361
Right
Calcification and ossification of muscles associated with burns, right lower leg
M61.369
Unspecified
Calcification and ossification of muscles associated with burns, unspecified lower leg

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. M61.361 and M61.369 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

M61.361Calcification and ossification of muscles associated with burns, right lower legM61.369Calcification and ossification of muscles associated with burns, unspecified lower leg
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionCalcification and ossification of muscles associated with burns, right lower leg is a billable ICD-10-CM diagnosis code (M61.361).Calcification and ossification of muscles associated with burns, unspecified lower leg is a billable ICD-10-CM diagnosis code (M61.369).

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