ICD-10-CM > Q00-QA0 > Q65-Q79 > Q72 > Q72.1 Q72.1 Congenital absence of thigh and lower leg with foot present Non-Billable/Non-Specific Codes Q72.10Congenital absence of unspecified thigh and lower leg with foot presentQ72.11Congenital absence of right thigh and lower leg with foot presentQ72.12Congenital absence of left thigh and lower leg with foot presentQ72.13Congenital absence of thigh and lower leg with foot present, bilateral