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ICD-10-CM 2027

ICD-10 code for Cavovarus foot

Q66.1

Congenital talipes calcaneovarus

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Cavovarus foot, congenital”. Page updated September 29, 2026.

About coding Cavovarus foot

The ICD-10-CM code for Cavovarus foot is Q66.1 (Congenital talipes calcaneovarus).

Within Q66 (congenital deformities of feet), Q66.1 is specifically for congenital talipes calcaneovarus. Related codes cover congenital talipes equinovarus (Q66.0), congenital metatarsus (primus) varus (Q66.2), other congenital varus deformities of feet (Q66.3), congenital talipes calcaneovalgus (Q66.4), congenital pes planus (Q66.5), other congenital valgus deformities of feet (Q66.6), congenital pes cavus (Q66.7), other congenital deformities of feet (Q66.8) and 1 more.

To report this condition, pick the subcode that matches the documentation: Q66.10 (unspecified foot), Q66.11 (right foot) and Q66.12 (left foot).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2020 (expanded into subcodes).

Common questions about Cavovarus foot ICD-10 codes

What is the ICD-10 code for Cavovarus foot?

Q66.1 — Congenital talipes calcaneovarus (a header code; report a more specific subcode).

Is Q66.1 billable?

No. Q66.1 is a header code. Report one of its more specific subcodes instead.