Q45.1 Annular pancreas

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applies from Q45 Other congenital malformations of digestive system

Excludes2 (not included here)

• congenital diaphragmatic hernia (Q79.0)
• congenital hiatus hernia (Q40.1)

MS-DRG index

Defines the logic of DRG(s) 438-440 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 751.7 Anomalies of pancreas (approximate)

Diagnosis Index entries for Q45.1

• Annular › pancreas (congenital)

Nearby codes

• Q45 Other congenital malformations of digestive system
• Q45.0 Agenesis, aplasia and hypoplasia of pancreas
• Q45.1 Annular pancreas (this code)
• Q45.2 Congenital pancreatic cyst
• Q45.3 Other congenital malformations of pancreas and pancreatic duct
• Q45.8 Other specified congenital malformations of digestive system
• Q45.9 Congenital malformation of digestive system, unspecified