Q44.4 Choledochal cystBillable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.
Defines the logic of DRG(s) 441-443 in MDC 07.
751.69 Other anomalies of gallbladder, bile ducts, and liver (approximate)Q44 Congenital malformations of gallbladder, bile ducts and liverQ44.0 Agenesis, aplasia and hypoplasia of gallbladderQ44.1 Other congenital malformations of gallbladderQ44.2 Atresia of bile ductsQ44.3 Congenital stenosis and stricture of bile ductsQ44.4 Choledochal cyst (this code)Q44.5 Other congenital malformations of bile ductsQ44.6 Cystic disease of liverQ44.7 Other congenital malformations of liverQ44.70 Other congenital malformation of liver, unspecifiedQ44.71 Alagille syndrome