10ICD Code Hub

M23.242

Billable code

Derangement of anterior horn of lateral meniscus due to old tear or injury, left knee

The ICD-10 code for derangement of anterior horn of lateral meniscus due to old tear or injury, left knee is M23.242.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

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Associated MS-DRGs

M23.242 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.