M23.309
Billable codeOther meniscus derangements, unspecified meniscus, unspecified knee
The ICD-10 code for other meniscus derangements, unspecified meniscus, unspecified knee is M23.309.
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
- M23.300Other meniscus derangements, unspecified lateral meniscus, right knee
- M23.301Other meniscus derangements, unspecified lateral meniscus, left knee
- M23.302Other meniscus derangements, unspecified lateral meniscus, unspecified knee
- M23.303Other meniscus derangements, unspecified medial meniscus, right knee
- M23.304Other meniscus derangements, unspecified medial meniscus, left knee
- M23.305Other meniscus derangements, unspecified medial meniscus, unspecified knee
- M23.306Other meniscus derangements, unspecified meniscus, right knee
- M23.307Other meniscus derangements, unspecified meniscus, left knee
- M23.309Other meniscus derangements, unspecified meniscus, unspecified knee
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7175Approximate match
Associated MS-DRGs
M23.309 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.