2021 ICD-10-CM Diagnosis Code M61.46

Other calcification of muscle, lower leg

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M61.46 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 M61.46 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M61.46 - other international versions of ICD-10 M61.46 may differ.
The following code(s) above M61.46 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 M61.46:
  • 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
  • M61.4
    ICD-10-CM Diagnosis Code M61.4

    Other calcification of muscle

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • calcific tendinitis NOS (M65.2-)
    • calcific tendinitis of shoulder (M75.3)
    Other calcification of muscle
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

Diagnosis Index entries containing back-references to M61.46:
  • Calcification
    • muscle M61.9
      ICD-10-CM Diagnosis Code M61.9

      Calcification and ossification of muscle, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • specified type NEC M61.40
        ICD-10-CM Diagnosis Code M61.40

        Other calcification of muscle, unspecified site

          2016 2017 2018 2019 2020 2021 Billable/Specific Code
        • lower leg M61.46-

ICD-10-CM Codes Adjacent To M61.46
M61.432 Other calcification of muscle, left forearm
M61.439 Other calcification of muscle, unspecified forearm
M61.44 Other calcification of muscle, hand
M61.441 Other calcification of muscle, right hand
M61.442 Other calcification of muscle, left hand
M61.449 Other calcification of muscle, unspecified hand
M61.45 Other calcification of muscle, thigh
M61.451 Other calcification of muscle, right thigh
M61.452 Other calcification of muscle, left thigh
M61.459 Other calcification of muscle, unspecified thigh
M61.46 Other calcification of muscle, lower leg
M61.461 Other calcification of muscle, right lower leg
M61.462 Other calcification of muscle, left lower leg
M61.469 Other calcification of muscle, unspecified lower leg
M61.47 Other calcification of muscle, ankle and foot
M61.471 Other calcification of muscle, right ankle and foot
M61.472 Other calcification of muscle, left ankle and foot
M61.479 Other calcification of muscle, unspecified ankle and foot
M61.48 …… other site
M61.49 …… multiple sites
M61.5 Other ossification of muscle

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