M23.2

Hierarchy

Where M23.2 sits in the official hierarchy. Each level is the code it is classified under.

1. M23 Parent Internal derangement of knee
2. M23.2 This code Derangement of meniscus due to old tear or injury

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.

• M23.20 Derangement of unspecified meniscus due to old tear or injury Has subcodes
• M23.21 Derangement of anterior horn of medial meniscus due to old tear or injury Has subcodes
• M23.22 Derangement of posterior horn of medial meniscus due to old tear or injury Has subcodes
• M23.23 Derangement of other medial meniscus due to old tear or injury Has subcodes
• M23.24 Derangement of anterior horn of lateral meniscus due to old tear or injury Has subcodes
• M23.25 Derangement of posterior horn of lateral meniscus due to old tear or injury Has subcodes
• M23.26 Derangement of other lateral meniscus due to old tear or injury Has subcodes

Version History

How M23.2 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Derangement of meniscus due to old tear or injury

2. FY 2026 Effective October 1, 2025

   Unchanged

   Derangement of meniscus due to old tear or injury