2021 ICD-10-CM Diagnosis Code M93.279

Osteochondritis dissecans, unspecified ankle and joints of foot

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • M93.279 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Osteochondritis dissecans, unsp ankle and joints of foot
  • The 2021 edition of ICD-10-CM M93.279 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M93.279 - other international versions of ICD-10 M93.279 may differ.
The following code(s) above M93.279 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 M93.279:
  • M00-M99
    2021 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
  • M91-M94
    2021 ICD-10-CM Range M91-M94


    Type 1 Excludes
    • postprocedural chondropathies (M96.-)
  • 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
Approximate Synonyms
  • Osteochondritis dissecans of ankle
  • Osteochondritis dissecans of foot
ICD-10-CM M93.279 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 M93.279 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 M93.279
M93.251 Osteochondritis dissecans, right hip
M93.252 Osteochondritis dissecans, left hip
M93.259 Osteochondritis dissecans, unspecified hip
M93.26 Osteochondritis dissecans knee
M93.261 Osteochondritis dissecans, right knee
M93.262 Osteochondritis dissecans, left knee
M93.269 Osteochondritis dissecans, unspecified knee
M93.27 Osteochondritis dissecans of ankle and joints of foot
M93.271 Osteochondritis dissecans, right ankle and joints of right foot
M93.272 Osteochondritis dissecans, left ankle and joints of left foot
M93.279 Osteochondritis dissecans, unspecified ankle and joints of foot
M93.28 …… other site
M93.29 …… multiple sites
M93.8 Other specified osteochondropathies
M93.80 …… of unspecified site
M93.81 Other specified osteochondropathies of shoulder
M93.811 Other specified osteochondropathies, right shoulder
M93.812 Other specified osteochondropathies, left shoulder
M93.819 Other specified osteochondropathies, unspecified shoulder
M93.82 Other specified osteochondropathies of upper arm
M93.821 Other specified osteochondropathies, right upper arm

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