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Q66.3

Non-billable

Other congenital varus deformities of feet

Q66.3 is the ICD-10-CM code for Other congenital varus deformities of feet. It is a non-billable category code — use a more specific child code such as Q66.30 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Parent
Q66
Subcodes
3
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Includes

  • •Hallux varus, congenital

Frequently asked questions

What is ICD-10 code Q66.3?
Q66.3 is the ICD-10-CM code for "Other congenital varus deformities of feet". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q66.3 a billable code?
No — Q66.3 is a non-billable header code. Use a more specific child code (such as Q66.30) for billing.
What are the subcodes of Q66.3?
Q66.3 has 3 more specific child codes, including Q66.30, Q66.31, Q66.32.

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

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