M23.22 – Derangement of posterior horn of medial meniscus due to old tear or injury

Code

M23.22 (claims format: M2322)

Description

Derangement of posterior horn of medial meniscus due to old tear or injury

Short description

Derang of post horn of medial meniscus due to old tear/inj

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 › M23.2

Billable codes under M23.22

M23.22 is a header code and cannot be used on claims. Choose the most specific code:

• M23.221 – Derangement of posterior horn of medial meniscus due to old tear or injury, right kneeBillable
• M23.222 – Derangement of posterior horn of medial meniscus due to old tear or injury, left kneeBillable
• M23.229 – Derangement of posterior horn of medial meniscus due to old tear or injury, unspecified kneeBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M23 – Internal derangement of knee

M23.2 – Derangement of meniscus due to old tear or injury

Block M20-M25

Index terms for M23.22

Entries in the ICD-10-CM alphabetic index that lead to this code:

• Derangement, knee, meniscus, due to old tear or injury, medial, posterior horn

Related codes in M23.2

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