2020 ICD-10-CM Diagnosis Code M22.2X9

Patellofemoral disorders, unspecified knee

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M22.2X9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM M22.2X9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M22.2X9 - other international versions of ICD-10 M22.2X9 may differ.
The following code(s) above M22.2X9 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 M22.2X9:
  • 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
  • M20-M25
    2020 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 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • traumatic dislocation of patella (S83.0-)
    Disorder of patella
Approximate Synonyms
  • Disorder of patellofemoral joint
  • Patellofemoral disorder
ICD-10-CM M22.2X9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 562 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh with mcc
  • 563 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh without mcc

Convert M22.2X9 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
ICD-10-CM Codes Adjacent To M22.2X9
M22.01 …… right knee
M22.02 …… left knee
M22.1 Recurrent subluxation of patella
M22.10 …… unspecified knee
M22.11 …… right knee
M22.12 …… left knee
M22.2 Patellofemoral disorders
M22.2X Patellofemoral disorders
M22.2X1 …… right knee
M22.2X2 …… left knee
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

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