Q51.821 Hypoplasia of cervix

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

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 752.49 Other anomalies of cervix, vagina, and external female genitalia (approximate)

Diagnosis Index entries for Q51.821

• Hypoplasia, hypoplastic › cervix (uteri), congenital

Nearby codes

• Q51.810 Arcuate uterus
• Q51.811 Hypoplasia of uterus
• Q51.818 Other congenital malformations of uterus
• Q51.82 Other congenital malformations of cervix
• Q51.820 Cervical duplication
• Q51.821 Hypoplasia of cervix (this code)
• Q51.828 Other congenital malformations of cervix
• Q51.9 Congenital malformation of uterus and cervix, unspecified