ICD-10-CM › Q00-QA1 › Q65-Q79 › Q66.9 Congenital deformity of feet, unspecified › Q66.90
Q66.90
Congenital deformity of feet, unspecified, unspecified foot
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2020 to now.
- FY2020 Added to the code set Congenital deformity of feet, unspecified, unspecified foot
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 |
|---|---|---|
| Q66.91 | Congenital deformity of feet, unspecified, right foot | Valid |
| Q66.92 | Congenital deformity of feet, unspecified, left foot | Valid |