Q44.0 Agenesis, aplasia and hypoplasia of gallbladder

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

Applicable to

• Congenital absence of gallbladder

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 751.69 Other anomalies of gallbladder, bile ducts, and liver (approximate)

Diagnosis Index entries for Q44.0

• Absence (of) (organ or part) (complete or partial) › gallbladder (acquired) › congenital
• Agenesis › gallbladder
• Aplasia › gallbladder, congenital
• Hypoplasia, hypoplastic › gallbladder

Nearby codes

• Q44 Congenital malformations of gallbladder, bile ducts and liver
• Q44.0 Agenesis, aplasia and hypoplasia of gallbladder (this code)
• Q44.1 Other congenital malformations of gallbladder
• Q44.2 Atresia of bile ducts
• Q44.3 Congenital stenosis and stricture of bile ducts
• Q44.4 Choledochal cyst
• Q44.5 Other congenital malformations of bile ducts