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M23.03

Non-billable

Cystic meniscus, other medial meniscus

M23.03 is the ICD-10-CM code for Cystic meniscus, other medial meniscus. It is a non-billable category code — use a more specific child code such as M23.031 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M23.0
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your knee joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the knee joint move. When any of these structures is hurt or diseased, you have knee problems. Knee problems can cause pain and difficulty walking. Knee problems are very common, and they occur in people of all ages. Knee problems can interfere with many things, from participation in sports to simply getting up from a chair…

Read more about Knee Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M23.03?
M23.03 is the ICD-10-CM code for "Cystic meniscus, other medial meniscus". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M23.03 a billable code?
No — M23.03 is a non-billable header code. Use a more specific child code (such as M23.031) for billing.
What are the subcodes of M23.03?
M23.03 has 3 more specific child codes, including M23.031, M23.032, M23.039.

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

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