Section M15-M19Osteoarthritis


  • osteoarthritis of spine (M47.-)
  1. M17 Osteoarthritis of knee

    1. M17.0 Bilateral primary osteoarthritis of knee

    2. M17.1 Unilateral primary osteoarthritis of knee

      Inclusion term(s):

      • Primary osteoarthritis of knee NOS
      1. M17.10 Unilateral primary osteoarthritis, unspecified knee

      2. M17.11 Unilateral primary osteoarthritis, right knee

      3. M17.12 Unilateral primary osteoarthritis, left knee

    3. M17.2 Bilateral post-traumatic osteoarthritis of knee

    4. M17.3 Unilateral post-traumatic osteoarthritis of knee

      Inclusion term(s):

      • Post-traumatic osteoarthritis of knee NOS
      1. M17.30 Unilateral post-traumatic osteoarthritis, unspecified knee

      2. M17.31 Unilateral post-traumatic osteoarthritis, right knee

      3. M17.32 Unilateral post-traumatic osteoarthritis, left knee

    5. M17.4 Other bilateral secondary osteoarthritis of knee

    6. M17.5 Other unilateral secondary osteoarthritis of knee

      Inclusion term(s):

      • Secondary osteoarthritis of knee NOS
    7. M17.9 Osteoarthritis of knee, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.