2021 ICD-10-CM Diagnosis Code M61

Calcification and ossification of muscle

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M61 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM M61 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M61 - other international versions of ICD-10 M61 may differ.
The following code(s) above M61 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M61:
  • M00-M99
    2021 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • 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)
    Diseases of the musculoskeletal system and connective tissue
  • M60-M63
    2021 ICD-10-CM Range M60-M63

    Disorders of muscles

    Type 1 Excludes
    • dermatopolymyositis (M33.-)
    • muscular dystrophies and myopathies (G71-G72)
    • 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.-)
    Disorders of muscles
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To M61
M60.861 Other myositis, right lower leg
M60.862 Other myositis, left lower leg
M60.869 Other myositis, unspecified lower leg
M60.87 Other myositis, ankle and foot
M60.871 Other myositis, right ankle and foot
M60.872 Other myositis, left ankle and foot
M60.879 Other myositis, unspecified ankle and foot
M60.88 …… other site
M60.89 …… multiple sites
M60.9 Myositis, unspecified
M61 Calcification and ossification of muscle
M61.0 Myositis ossificans traumatica
M61.00 …… unspecified site
M61.01 Myositis ossificans traumatica, shoulder
M61.011 Myositis ossificans traumatica, right shoulder
M61.012 Myositis ossificans traumatica, left shoulder
M61.019 Myositis ossificans traumatica, unspecified shoulder
M61.02 Myositis ossificans traumatica, upper arm
M61.021 Myositis ossificans traumatica, right upper arm
M61.022 Myositis ossificans traumatica, left upper arm
M61.029 Myositis ossificans traumatica, unspecified upper arm

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.