M23.20

Non-billable

Derangement of unspecified meniscus due to old tear or injury

M23.20 is the ICD-10-CM code for Derangement of unspecified meniscus due to old tear or injury. It is a non-billable category code — use a more specific child code such as M23.200 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M23.2
Subcodes
9
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • Derangement of unspecified lateral meniscus due to old tear or injury
  • Derangement of unspecified medial meniscus due to old tear or injury

Frequently asked questions

What is ICD-10 code M23.20?
M23.20 is the ICD-10-CM code for "Derangement of unspecified meniscus due to old tear or injury". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M23.20 a billable code?
No — M23.20 is a non-billable header code. Use a more specific child code (such as M23.200) for billing.
What are the subcodes of M23.20?
M23.20 has 9 more specific child codes, including M23.200, M23.201, M23.202.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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