Q53.12 Ectopic perineal testis, unilateral

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

MS-DRG index

Defines the logic of DRG(s) 729-730 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 752.51 Undescended testis (approximate)

Diagnosis Index entries for Q53.12

• Cryptorchid, cryptorchism, cryptorchidism › unilateral › perineal
• Maldescent, testis › unilateral › perineal
• Nondescent (congenital) › testicle › unilateral › perineal

Nearby codes

• Q53.1 Undescended testicle, unilateral
• Q53.10 Unspecified undescended testicle, unilateral
• Q53.11 Abdominal testis, unilateral
• Q53.111 Unilateral intraabdominal testis
• Q53.112 Unilateral inguinal testis
• Q53.12 Ectopic perineal testis, unilateral (this code)
• Q53.13 Unilateral high scrotal testis
• Q53.2 Undescended testicle, bilateral
• Q53.20 Undescended testicle, unspecified, bilateral
• Q53.21 Abdominal testis, bilateral
• Q53.211 Bilateral intraabdominal testes