M23.201
Billable codeDerangement of unspecified lateral meniscus due to old tear or injury, left knee
The ICD-10 code for derangement of unspecified lateral meniscus due to old tear or injury, left knee is M23.201.
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
- M23.200Derangement of unspecified lateral meniscus due to old tear or injury, right knee
- M23.202Derangement of unspecified lateral meniscus due to old tear or injury, unspecified knee
- M23.203Derangement of unspecified medial meniscus due to old tear or injury, right knee
- M23.204Derangement of unspecified medial meniscus due to old tear or injury, left knee
- M23.205Derangement of unspecified medial meniscus due to old tear or injury, unspecified knee
- M23.206Derangement of unspecified meniscus due to old tear or injury, right knee
- M23.207Derangement of unspecified meniscus due to old tear or injury, left knee
- M23.209Derangement of unspecified meniscus due to old tear or injury, unspecified knee
- M23.201Derangement of unspecified lateral meniscus due to old tear or injury, left knee
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 71740Approximate match
Associated MS-DRGs
M23.201 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.