Q55.0
Absence and aplasia of testis
Coding rules (TT06)
- ●Applies only/mainly to males
Coding guidance (WHO 2019)
Monorchism
Sibling codes
Q55Other congenital malformations of male genital organsQ55.1Hypoplasia of testis and scrotumQ55.2Other congenital malformations of testis and scrotumQ55.3Atresia of vas deferensQ55.4Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostateQ55.5Congenital absence and aplasia of penisQ55.6Other congenital malformations of penisQ55.8Other specified congenital malformations of male genital organsQ55.9Congenital malformation of male genital organ, unspecified