ICD-10-CM
Q55.0 - Absence and aplasia of testis
Code
Q55.0 - Absence and aplasia of testis
[Billable] [POA Exempt]
[Billable] [POA Exempt]
Includes
- Monorchism
Code Tree
Q00-QA0 - Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
- Q50-Q56 - Congenital malformations of genital organs
- Q55 - Other congenital malformations of male genital organs
- Q55.0 - Absence and aplasia of testis
- Q55.1 - Hypoplasia of testis and scrotum
- Q55.2 - Other and unspecified congenital malformations of testis and scrotum
- Q55.3 - Atresia of vas deferens
- Q55.4 - Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
- Q55.5 - Congenital absence and aplasia of penis
- Q55.6 - Other congenital malformations of penis
- Q55.7 - Congenital vasocutaneous fistula
- Q55.8 - Other specified congenital malformations of male genital organs
- Q55.9 - Congenital malformation of male genital organ, unspecified
- Q55 - Other congenital malformations of male genital organs
Citation
"Q55.0 - Absence and Aplasia of Testis." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/925629/all/Q55_0___Absence_and_aplasia_of_testis.
Q55.0 - Absence and aplasia of testis. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/925629/all/Q55_0___Absence_and_aplasia_of_testis. Accessed August 5, 2026.
Q55.0 - Absence and aplasia of testis. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/925629/all/Q55_0___Absence_and_aplasia_of_testis
Q55.0 - Absence and Aplasia of Testis [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 August 05]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/925629/all/Q55_0___Absence_and_aplasia_of_testis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Q55.0 - Absence and aplasia of testis
ID - 925629
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/925629/all/Q55_0___Absence_and_aplasia_of_testis
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
