M20.1

Non-billable

Hallux valgus (acquired)

M20.1 is the ICD-10-CM code for Hallux valgus (acquired). It is a non-billable category code — use a more specific child code such as M20.10 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M20
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes2 — not included here

Frequently asked questions

What is ICD-10 code M20.1?
M20.1 is the ICD-10-CM code for "Hallux valgus (acquired)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M20.1 a billable code?
No — M20.1 is a non-billable header code. Use a more specific child code (such as M20.10) for billing.
What are the subcodes of M20.1?
M20.1 has 3 more specific child codes, including M20.10, M20.11, M20.12.

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

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