ICD-10-CM > Q00-QA0 > Q65-Q79 > Q66 > Q66.2 > Q66.22 Q66.22 Congenital metatarsus adductus Non-Billable/Non-Specific Applicable To Congenital metatarsus varus Codes Q66.221Congenital metatarsus adductus, right footQ66.222Congenital metatarsus adductus, left footQ66.229Congenital metatarsus adductus, unspecified foot