ICD-10-CM > Q00-QA0 > Q65-Q79 > Q71 > Q71.2 Q71.2 Congenital absence of both forearm and hand Non-Billable/Non-Specific Codes Q71.20Congenital absence of both forearm and hand, unspecified upper limbQ71.21Congenital absence of both forearm and hand, right upper limbQ71.22Congenital absence of both forearm and hand, left upper limbQ71.23Congenital absence of both forearm and hand, bilateral