ICD-10-CM>Q00-QA1>Q65-Q79>Q66>Q66.5Q66.5Congenital pes planusNon-Billable/Non-SpecificApplicable ToCongenital flat footCongenital rigid flat footCongenital spastic (everted) flat footType 1 Excludespes planus, acquired (M21.4)CodesQ66.50Congenital pes planus, unspecified footQ66.51Congenital pes planus, right footQ66.52Congenital pes planus, left foot