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M23.31

Non-billable

Other meniscus derangements, anterior horn of medial meniscus

M23.31 is the ICD-10-CM code for Other meniscus derangements, anterior horn of medial meniscus. It is a non-billable category code — use a more specific child code such as M23.311 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M23.3
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M23.31?
M23.31 is the ICD-10-CM code for "Other meniscus derangements, anterior horn of medial meniscus". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M23.31 a billable code?
No — M23.31 is a non-billable header code. Use a more specific child code (such as M23.311) for billing.
What are the subcodes of M23.31?
M23.31 has 3 more specific child codes, including M23.311, M23.312, M23.319.

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

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