M23.2 – Derangement of meniscus due to old tear or injury
ICD-10-CM 2027 diagnosis code · Other joint disorders
ICD-10-CM code
M23.2
- Code
M23.2(claims format:M232)- Description
- Derangement of meniscus due to old tear or injury
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M20-M25 Other joint disorders
- Parent codes
- M23
Billable codes under M23.2
M23.2 is a header code and cannot be used on claims. Choose the most specific code:
- M23.20 – Derangement of unspecified meniscus due to old tear or injuryHeader (more codes below)
- M23.21 – Derangement of anterior horn of medial meniscus due to old tear or injuryHeader (more codes below)
- M23.22 – Derangement of posterior horn of medial meniscus due to old tear or injuryHeader (more codes below)
- M23.23 – Derangement of other medial meniscus due to old tear or injuryHeader (more codes below)
- M23.24 – Derangement of anterior horn of lateral meniscus due to old tear or injuryHeader (more codes below)
- M23.25 – Derangement of posterior horn of lateral meniscus due to old tear or injuryHeader (more codes below)
- M23.26 – Derangement of other lateral meniscus due to old tear or injuryHeader (more codes below)
Notes for M23.2
Applicable to:
- Old bucket-handle tear
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M23 – Internal derangement of knee
Excludes1 (not coded here):
Excludes2 (not included here):
Block M20-M25
Related codes in M23
- M23.0 – Cystic meniscusHeader
- M23.3 – Other meniscus derangementsHeader
- M23.4 – Loose body in kneeHeader
- M23.5 – Chronic instability of kneeHeader
- M23.6 – Other spontaneous disruption of ligament(s) of kneeHeader
- M23.8 – Other internal derangements of kneeHeader
- M23.9 – Unspecified internal derangement of kneeHeader
Frequently asked questions
What is ICD-10 code M23.2?
M23.2 is the ICD-10-CM code for derangement of meniscus due to old tear or injury, in the block M20-M25 (Other joint disorders).
Is M23.2 a billable code?
No. M23.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M23.2 belong to?
It belongs to category M23 – Internal derangement of knee.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.