M23.312
Billable codeOther meniscus derangements, anterior horn of medial meniscus, left knee
The ICD-10 code for other meniscus derangements, anterior horn of medial meniscus, left knee is M23.312.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M23.311Other meniscus derangements, anterior horn of medial meniscus, right knee
- M23.319Other meniscus derangements, anterior horn of medial meniscus, unspecified knee
- M23.312Other meniscus derangements, anterior horn of medial meniscus, left knee
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7171Approximate match
Associated MS-DRGs
M23.312 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.