ICD-10-CM>Q00-QA1>Q65-Q79>Q66>Q66.2>Q66.21Q66.21Congenital metatarsus primus varusNon-Billable/Non-SpecificCodesQ66.211Congenital metatarsus primus varus, right footQ66.212Congenital metatarsus primus varus, left footQ66.219Congenital metatarsus primus varus, unspecified foot