Q55: Other congenital malformations of male genital organs

Codes under Q55 (Other congenital malformations of male genital organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
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	✓
Q55.20	Unspecified congenital malformations of testis and scrotum	✓
Q55.21	Polyorchism	✓
Q55.22	Retractile testis	✓
Q55.23	Scrotal transposition	✓
Q55.29	Other congenital malformations of testis and scrotum	✓
Q55.61	Curvature of penis (lateral)	✓
Q55.62	Hypoplasia of penis	✓
Q55.63	Congenital torsion of penis	✓
Q55.64	Hidden penis	✓
Q55.69	Other congenital malformation of penis	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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