Q66 Congenital deformities of feet
ICD-10-CM category Q66 sits in Chapter 17 (Congenital malformations, deformations and chromosomal abnormalities, Q00-Q99). It contains 32 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
Q66.0 Congenital talipes equinovarusQ66.1 Congenital talipes calcaneovarusQ66.2 Congenital metatarsus (primus) varusQ66.21 Congenital metatarsus primus varusQ66.22 Congenital metatarsus adductusQ66.3 Other congenital varus deformities of feetQ66.4 Congenital talipes calcaneovalgusQ66.5 Congenital pes planusQ66.7 Congenital pes cavusQ66.8 Other congenital deformities of feetQ66.9 Congenital deformity of feet, unspecified
Billable codes in Q66
| Code | Description |
|---|---|
Q66.00 | Congenital talipes equinovarus, unspecified foot |
Q66.01 | Congenital talipes equinovarus, right foot |
Q66.02 | Congenital talipes equinovarus, left foot |
Q66.10 | Congenital talipes calcaneovarus, unspecified foot |
Q66.11 | Congenital talipes calcaneovarus, right foot |
Q66.12 | Congenital talipes calcaneovarus, left foot |
Q66.211 | Congenital metatarsus primus varus, right foot |
Q66.212 | Congenital metatarsus primus varus, left foot |
Q66.219 | Congenital metatarsus primus varus, unspecified foot |
Q66.221 | Congenital metatarsus adductus, right foot |
Q66.222 | Congenital metatarsus adductus, left foot |
Q66.229 | Congenital metatarsus adductus, unspecified foot |
Q66.30 | Other congenital varus deformities of feet, unspecified foot |
Q66.31 | Other congenital varus deformities of feet, right foot |
Q66.32 | Other congenital varus deformities of feet, left foot |
Q66.40 | Congenital talipes calcaneovalgus, unspecified foot |
Q66.41 | Congenital talipes calcaneovalgus, right foot |
Q66.42 | Congenital talipes calcaneovalgus, left foot |
Q66.50 | Congenital pes planus, unspecified foot |
Q66.51 | Congenital pes planus, right foot |
Q66.52 | Congenital pes planus, left foot |
Q66.6 | Other congenital valgus deformities of feet |
Q66.70 | Congenital pes cavus, unspecified foot |
Q66.71 | Congenital pes cavus, right foot |
Q66.72 | Congenital pes cavus, left foot |
Q66.80 | Congenital vertical talus deformity, unspecified foot |
Q66.81 | Congenital vertical talus deformity, right foot |
Q66.82 | Congenital vertical talus deformity, left foot |
Q66.89 | Other specified congenital deformities of feet |
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 |
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