M23.312
Other meniscus derangements, anterior horn of medial meniscus, left knee
- Release
- FY 2027
- Effective
Hierarchy
Where M23.312 sits in the official hierarchy. Each level is the code it is classified under.
- M23 Internal derangement of knee
- M23.3 Other meniscus derangements
- M23.31 Parent Other meniscus derangements, anterior horn of medial meniscus
- M23.312 This code Other meniscus derangements, anterior horn of medial meniscus, left knee
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes2
current injury - see injury of knee and lower leg (S80-S89)
Inherited from M23 — Internal derangement of knee
Excludes2
recurrent dislocation or subluxation of joints ( M24.4 )
Inherited from M23 — Internal derangement of knee
Excludes2
recurrent dislocation or subluxation of patella (M22.0-M22.1)
Inherited from M23 — Internal derangement of knee
Version History
How M23.312 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentOther meniscus derangements, anterior horn of medial meniscus, left knee
-
FY 2026 Effective
UnchangedOther meniscus derangements, anterior horn of medial meniscus, left knee
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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