2021 ICD-10-CM Diagnosis Code M22.8

Other disorders of patella

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M22.8 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 M22.8 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M22.8 - other international versions of ICD-10 M22.8 may differ.
The following code(s) above M22.8 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 M22.8:
  • 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
  • M20-M25
    2021 ICD-10-CM Range M20-M25

    Other joint disorders

    Type 2 Excludes
    Other joint disorders
  • M22
    ICD-10-CM Diagnosis Code M22

    Disorder of patella

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • traumatic dislocation of patella (S83.0-)
    Disorder of patella
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 M22.8
M22.2X9 …… unspecified knee
M22.3 Other derangements of patella
M22.3X Other derangements of patella
M22.3X1 …… right knee
M22.3X2 …… left knee
M22.3X9 …… unspecified knee
M22.4 Chondromalacia patellae
M22.40 …… unspecified knee
M22.41 …… right knee
M22.42 …… left knee
M22.8 Other disorders of patella
M22.8X Other disorders of patella
M22.8X1 …… right knee
M22.8X2 …… left knee
M22.8X9 …… unspecified knee
M22.9 Unspecified disorder of patella
M22.90 …… unspecified knee
M22.91 …… right knee
M22.92 …… left knee
M23 Internal derangement of knee
M23.0 Cystic meniscus

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