M23.92
Billable codeUnspecified internal derangement of left knee
The ICD-10 code for unspecified internal derangement of left knee is M23.92.
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
- M23.90Unspecified internal derangement of unspecified knee
- M23.91Unspecified internal derangement of right knee
- M23.92Unspecified internal derangement of left knee
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7179Approximate match
Associated MS-DRGs
M23.92 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.