Congenital deformity of feet, unspecified

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2019, and a category header from FY2020.

Submit one of these 3 more specific codes instead:

Q66.90 Congenital deformity of feet, unspecified, unspecified foot
Q66.91 Congenital deformity of feet, unspecified, right foot
Q66.92 Congenital deformity of feet, unspecified, left foot

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Congenital deformity of feet, unspecified
FY2020 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Q66 Congenital deformities of feet

Excludes1 - never coded here

reduction defects of feet (Q72.-)
valgus deformities (acquired) (M21.0-)
varus deformities (acquired) (M21.1-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Aberrant
Asymmetry
Nondescent
Transposed
Undescended
Transposition
Deformity > heel
Dilated, dilation
Dislocation > partial
Elongated, elongation
Deformity > metatarsus
Termination > anomalous
Dislocation > incomplete
Heterotopia, heterotopic
Subluxation > congenital
Disease, diseased > diverticular
Dislocation > vertebra > partial
Falling, falls > any organ or part
Ectopic, ectopia > organ or site NEC
Annular > organ or site, congenital NEC
Low > lying > organ or site, congenital
Sacculation > organ or site, congenital
Tortuous > organ or site, congenital NEC
Curvature > organ or site, congenital NEC
Deviation > organ or site, congenital NEC
Wandering > organ or site, congenital NEC
Dilatation > organ or site, congenital NEC
Mobile, mobility > organ or site, congenital NEC
Prolapse, prolapsed > organ or site, congenital NEC
Displacement, displaced > organ or site, congenital NEC
Misplaced, misplacement > organ or site, congenital NEC
Diverticulum, diverticula > organ or site, congenital NEC
Short, shortening, shortness > organ or site, congenital NEC
Irregular, irregularity > shape, organ or site, congenital NEC
Distortion > toe
Distortion > foot
Deformity > toe > congenital
Malposition > congenital > toe
Malposition > congenital > foot
Deformity > foot > congenital NOS

Showing 40 of 41 index phrases.

Codes in the same group

Code	Description	Status
Q66.0	Congenital talipes equinovarus	Not billable
Q66.1	Congenital talipes calcaneovarus	Not billable
Q66.2	Congenital metatarsus (primus) varus	Not billable
Q66.3	Other congenital varus deformities of feet	Not billable
Q66.4	Congenital talipes calcaneovalgus	Not billable
Q66.5	Congenital pes planus	Not billable
Q66.6	Other congenital valgus deformities of feet	Valid
Q66.7	Congenital pes cavus	Not billable
Q66.8	Other congenital deformities of feet	Not billable