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M20.3

Non-billable

Hallux varus (acquired)

M20.3 is the ICD-10-CM code for Hallux varus (acquired). It is a non-billable category code — use a more specific child code such as M20.30 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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M20.3?
M20.3 is the ICD-10-CM code for "Hallux varus (acquired)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M20.3 a billable code?
No — M20.3 is a non-billable header code. Use a more specific child code (such as M20.30) for billing.
What are the subcodes of M20.3?
M20.3 has 3 more specific child codes, including M20.30, M20.31, M20.32.

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

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