2021 ICD-10-CM Diagnosis Code M93.979

Osteochondropathy, unspecified, unspecified ankle and foot

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • M93.979 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM M93.979 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M93.979 - other international versions of ICD-10 M93.979 may differ.
The following code(s) above M93.979 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 M93.979:
  • 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
  • M91-M94
    2021 ICD-10-CM Range M91-M94

    Chondropathies

    Type 1 Excludes
    • postprocedural chondropathies (M96.-)
    Chondropathies
  • M93
    ICD-10-CM Diagnosis Code M93

    Other osteochondropathies

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • osteochondrosis of spine (M42.-)
    Other osteochondropathies
  • M93.9
    ICD-10-CM Diagnosis Code M93.9

    Osteochondropathy, unspecified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Apophysitis NOS
    • Epiphysitis NOS
    • Osteochondritis NOS
    • Osteochondrosis NOS
    Osteochondropathy, unspecified
Approximate Synonyms
  • Osteochondropathy of ankle and foot
  • Osteochondropathy of ankle and/or foot
ICD-10-CM M93.979 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 553 Bone diseases and arthropathies with mcc
  • 554 Bone diseases and arthropathies without mcc

Convert M93.979 to ICD-9-CM

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 M93.979
M93.951 Osteochondropathy, unspecified, right thigh
M93.952 Osteochondropathy, unspecified, left thigh
M93.959 Osteochondropathy, unspecified, unspecified thigh
M93.96 Osteochondropathy, unspecified lower leg
M93.961 Osteochondropathy, unspecified, right lower leg
M93.962 Osteochondropathy, unspecified, left lower leg
M93.969 Osteochondropathy, unspecified, unspecified lower leg
M93.97 Osteochondropathy, unspecified of ankle and foot
M93.971 Osteochondropathy, unspecified, right ankle and foot
M93.972 Osteochondropathy, unspecified, left ankle and foot
M93.979 Osteochondropathy, unspecified, unspecified ankle and foot
M93.98 …… other
M93.99 …… multiple sites
M94 Other disorders of cartilage
M94.0 Chondrocostal junction syndrome [Tietze]
M94.1 Relapsing polychondritis
M94.2 Chondromalacia
M94.20 …… unspecified site
M94.21 Chondromalacia, shoulder
M94.211 Chondromalacia, right shoulder
M94.212 Chondromalacia, left shoulder

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