M61.369 Calcification and ossification of muscles associated with burns, unspecified lower leg

ICD-10-CM Diagnosis Code M61.369: Calcification and ossification of muscles associated with burns, unspecified lower leg

ICD-10-CM code M61.369 designates a diagnosis of calcification and ossification of muscles associated with burns, unspecified lower leg. The code is an active concept within the ICD-10-CM system and is classified as a disease or syndrome. It falls under the parent category M61.36 for lower leg conditions. 1 4

Plain-language overview

Code M61.369 identifies a disease or syndrome concept named calcification and ossification of muscles associated with burns, specifically affecting an unspecified lower leg. 1 4

What this code represents

The official preferred name for M61.369 is calcification and ossification of muscles associated with burns, unspecified lower leg, and the concept currently holds an active record status. 1

This diagnostic concept is classified under the semantic type of disease or syndrome and exists as a narrower concept beneath the parent code M61.36 for lower leg muscle calcification. 1 4

Coding details

The terminology record for M61.369 includes a published abbreviation stating calcification and ossification of muscle associated with burns, unsp low leg. 1

While M61.369 specifies an unspecified lower leg, a related code M61.362 exists for calcification and ossification of muscles associated with burns in the right lower leg. 3 5

Documentation considerations

The official terminology record for M61.369 specifies the lower leg as unspecified, distinguishing it from the related code M61.362 which designates the right lower leg. 1 3

Coverage and utilization context

Billing and coding articles for outpatient and home health occupational therapy reference related calcification and ossification codes to provide guidance for associated local coverage determinations. 3 5

What the sources add

Comparing the terminology sources, the National Cancer Institute record details the hierarchical parent concept, while the VSAC code system browser confirms the code's inclusion across different ICD-10-CM versions. 1 2

The EVS Explore portal mirrors the preferred name and disease classification for M61.369, while the CMS billing articles demonstrate how related laterality-specific codes appear in payer guidance. 4 3 5

Sources

1. ICD-10-CM M61.369 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Browse Code Systems — vsac.nlm.nih.gov; accessed 2026-07-27.
3. Article - Billing and Coding: Home Health Occupational Therapy (A53057) — cms.gov; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. Article - Billing and Coding: Outpatient Occupational Therapy (A53064) — cms.gov; accessed 2026-07-27.
6. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.