Q45.8 Other specified congenital malformations of digestive system

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

Applicable to

• Absence (complete) (partial) of alimentary tract NOS
• Duplication of digestive system
• Malposition, congenital of digestive system

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) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 751.8 Other specified anomalies of digestive system

Diagnosis Index entries for Q45.8

• Absence (of) (organ or part) (complete or partial) › alimentary tract (congenital)
• Absence (of) (organ or part) (complete or partial) › digestive organ (s) or tract, congenital
• Agenesis › alimentary tract (complete) (partial) NEC
• Agenesis › digestive organ (s) or tract (complete) (partial) NEC
• Atresia, atretic › alimentary organ or tract NEC
• Atresia, atretic › digestive organs NEC
• Cyst (colloid) (mucous) (simple) (retention) › omentum (lesser) › congenital
• Duplication, duplex › alimentary tract
• Duplication, duplex › digestive organs
• Ectopic, ectopia (congenital) › abdominal viscera
• Exstrophy › abdominal contents
• Hydromphalos (since birth)
• Hypoplasia, hypoplastic › alimentary tract, congenital
• Hypoplasia, hypoplastic › digestive organ (s) or tract NEC
• Imperfect › closure (congenital) › alimentary tract NEC
• Malformation (congenital) › alimentary tract › specified type NEC
• Malformation (congenital) › digestive system NEC, specified type NEC
• Malposition › congenital › alimentary tract
• Malposition › congenital › digestive organ or tract NEC
• Malposition › congenital › gastrointestinal tract
• Malposition › gastrointestinal tract, congenital
• Patulous › alimentary tract
• Stricture › digestive organs NEC, congenital

Nearby codes

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