Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes Q00-Q99 – Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) > 2024 ICD-10-CM Codes Q65-Q79 – Congenital malformations and deformations of the musculoskeletal system (Q65-Q79) > 2024 ICD-10-CM Codes Q66 – Congenital deformities of feet (Q66) > 2024 ICD-10-CM Codes Q66.3 – Other congenital varus deformities of feet (Q66.3)