Q66.51Billable

Congenital pes planus, right foot

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q66
Effective date
October 1, 2026

Related codes in category Q66

Frequently asked questions

What is ICD-10 code Q66.51?

Q66.51 is an ICD-10-CM diagnosis code for Congenital pes planus, right foot.

Is Q66.51 a billable code?

Yes. Q66.51 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q66.51 in?

Q66.51 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q66.51 become effective?

Q66.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q66.51?

Q66.51 belongs to category Q66, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.