Q55.1
Billable codeHypoplasia of testis and scrotum
The ICD-10 code for hypoplasia of testis and scrotum is Q55.1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Fusion of testes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q55.0Absence and aplasia of testis
- Q55.2Other and unspecified congenital malformations of testis and scrotumnon-billable header
- Q55.3Atresia of vas deferens
- Q55.4Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
- Q55.5Congenital absence and aplasia of penis
- Q55.6Other congenital malformations of penisnon-billable header
- Q55.7Congenital vasocutaneous fistula
- Q55.8Other specified congenital malformations of male genital organs
- Q55.9Congenital malformation of male genital organ, unspecified
- Q55.1Hypoplasia of testis and scrotum
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 75289Approximate match
Associated MS-DRGs
Q55.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.