2020 ICD-10-CM Diagnosis Code M61.1

Myositis ossificans progressiva

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M61.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM M61.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M61.1 - other international versions of ICD-10 M61.1 may differ.
Applicable To
  • Fibrodysplasia ossificans progressiva
The following code(s) above M61.1 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 M61.1:
  • M00-M99
    2020 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    • 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
    2020 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
Clinical Information
  • Disease characterized by bony deposits or the ossification of muscle tissue.
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
ICD-10-CM Codes Adjacent To M61.1
M61.06 Myositis ossificans traumatica, lower leg
M61.061 Myositis ossificans traumatica, right lower leg
M61.062 Myositis ossificans traumatica, left lower leg
M61.069 Myositis ossificans traumatica, unspecified lower leg
M61.07 Myositis ossificans traumatica, ankle and foot
M61.071 Myositis ossificans traumatica, right ankle and foot
M61.072 Myositis ossificans traumatica, left ankle and foot
M61.079 Myositis ossificans traumatica, unspecified ankle and foot
M61.08 …… other site
M61.09 …… multiple sites
M61.1 Myositis ossificans progressiva
M61.10 …… unspecified site
M61.11 Myositis ossificans progressiva, shoulder
M61.111 Myositis ossificans progressiva, right shoulder
M61.112 Myositis ossificans progressiva, left shoulder
M61.119 Myositis ossificans progressiva, unspecified shoulder
M61.12 Myositis ossificans progressiva, upper arm
M61.121 Myositis ossificans progressiva, right upper arm
M61.122 Myositis ossificans progressiva, left upper arm
M61.129 Myositis ossificans progressiva, unspecified arm
M61.13 Myositis ossificans progressiva, forearm

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