M61

Non-Billable

ChapterM00–M99

Rankcategory

Official Description

Calcification and ossification of muscle

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here)

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

M60-M63 Parent Instructions

Excludes1(Not coded here)

dermatopolymyositis (M33.-)
myopathy in amyloidosis (E85.-)
myopathy in polyarteritis nodosa (M30.0)
myopathy in rheumatoid arthritis (M05.32)
myopathy in scleroderma (M34.-)
myopathy in Sjögren's syndrome (M35.03)
myopathy in systemic lupus erythematosus (M32.-)

Excludes2(Not included here)

muscular dystrophies and myopathies (G71-G72)

Clinical Hierarchy

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

M60-M63Disorders of muscles (M60-M63)

M61Calcification and ossification of muscle

M61.0Myositis ossificans traumatica

M61.1Myositis ossificans progressiva

M61.2Paralytic calcification and ossification of muscle

M61.3Calcification and ossification of muscles associated with burns

M61.4Other calcification of muscle

M61.5Other ossification of muscle

M61.9Calcification and ossification of muscle, unspecified

Applicable Ancestor Context

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

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. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths

Calcification13 unique routes

muscle→M61(13 variants)

specified type NEC→M61(12 variants)

ankle→M61

foot→M61

forearm→M61

hand→M61