M17.5
Billable codeOther unilateral secondary osteoarthritis of knee
The ICD-10 code for other unilateral secondary osteoarthritis of knee is M17.5.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Secondary osteoarthritis of knee NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M17.0Bilateral primary osteoarthritis of knee
- M17.1Unilateral primary osteoarthritis of kneenon-billable header
- M17.2Bilateral post-traumatic osteoarthritis of knee
- M17.3Unilateral post-traumatic osteoarthritis of kneenon-billable header
- M17.4Other bilateral secondary osteoarthritis of knee
- M17.9Osteoarthritis of knee, unspecified
- M17.5Other unilateral secondary osteoarthritis of knee
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 71526Approximate match
Associated MS-DRGs
M17.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.