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M17Non-billableSave

M17 - Osteoarthritis of knee

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M15-M19 Osteoarthritis (M15-M19) · Top-level category · FY2027

Coding Guidance

M17 is a non-billable heading. Report one of the 7 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom M15-M19 Osteoarthritis (M15-M19)

Not part of this code; report both codes when the patient has both conditions.

  • osteoarthritis of spine (M47.-)
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • 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)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More Specific Codes (7)

M17.0Bilateral primary osteoarthritis of knee→M17.1Unilateral primary osteoarthritis of knee→M17.2Bilateral post-traumatic osteoarthritis of knee→M17.3Unilateral post-traumatic osteoarthritis of knee→M17.4Other bilateral secondary osteoarthritis of knee→M17.5Other unilateral secondary osteoarthritis of knee→M17.9Osteoarthritis of knee, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M17.