2020 ICD-10-CM Diagnosis Code M17.3

Unilateral post-traumatic osteoarthritis of knee

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M17.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM M17.3 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M17.3 - other international versions of ICD-10 M17.3 may differ.
Applicable To
  • Post-traumatic osteoarthritis of knee NOS
The following code(s) above M17.3 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 M17.3:
  • M00-M99
    2020 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
  • M15-M19
    2020 ICD-10-CM Range M15-M19

    Osteoarthritis

    Type 2 Excludes
    • osteoarthritis of spine (M47.-)
    Osteoarthritis
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
Code annotations containing back-references to M17.3:
  • Type 1 Excludes: M12.5
    ICD-10-CM Diagnosis Code M12.5

    Traumatic arthropathy

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • current injury-see Alphabetic Index
    • post-traumatic osteoarthritis of first carpometacarpal joint (M18.2-M18.3)
    • post-traumatic osteoarthritis of hip (M16.4-M16.5)
    • post-traumatic osteoarthritis of knee (M17.2-M17.3)
    • post-traumatic osteoarthritis NOS (M19.1-)
    • post-traumatic osteoarthritis of other single joints (M19.1-)

Diagnosis Index entries containing back-references to M17.3:
  • Osteoarthritis M19.90
    ICD-10-CM Diagnosis Code M19.90

    Unspecified osteoarthritis, unspecified site

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Arthrosis NOS
    • Arthritis NOS
    • Osteoarthritis NOS
    • post-traumatic NEC M19.92
      ICD-10-CM Diagnosis Code M19.92

      Post-traumatic osteoarthritis, unspecified site

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Post-traumatic osteoarthritis NOS

ICD-10-CM Codes Adjacent To M17.3
M16.6 Other bilateral secondary osteoarthritis of hip
M16.7 Other unilateral secondary osteoarthritis of hip
M16.9 Osteoarthritis of hip, unspecified
M17 Osteoarthritis of knee
M17.0 Bilateral primary osteoarthritis of knee
M17.1 Unilateral primary osteoarthritis of knee
M17.10 Unilateral primary osteoarthritis, unspecified knee
M17.11 Unilateral primary osteoarthritis, right knee
M17.12 Unilateral primary osteoarthritis, left knee
M17.2 Bilateral post-traumatic osteoarthritis of knee
M17.3 Unilateral post-traumatic osteoarthritis of knee
M17.30 Unilateral post-traumatic osteoarthritis, unspecified knee
M17.31 Unilateral post-traumatic osteoarthritis, right knee
M17.32 Unilateral post-traumatic osteoarthritis, left knee
M17.4 Other bilateral secondary osteoarthritis of knee
M17.5 Other unilateral secondary osteoarthritis of knee
M17.9 Osteoarthritis of knee, unspecified
M18 Osteoarthritis of first carpometacarpal joint
M18.0 Bilateral primary osteoarthritis of first carpometacarpal joints
M18.1 Unilateral primary osteoarthritis of first carpometacarpal joint
M18.10 …… unspecified hand

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