M61.50

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Other ossification of muscle, unspecified site

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

General instructions are available for the parent sections:

View CH13 Notes View M60-M63 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M60-M63Disorders of muscles (M60-M63)

M61Calcification and ossification of muscle

M61.5Other ossification of muscle

M61.50Other ossification of muscle, unspecified site

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M61.50:

blockM60-M63

Disorders of muscles (M60-M63)

View context instructions

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M61.50. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Ossification1 unique routes

muscle

specified NEC→M61.50

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 557

Tendonitis, Myositis and Bursitis with MCC

DRG 558

Tendonitis, Myositis and Bursitis without MCC

Cross Reference

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