Q40.8 Other specified congenital malformations of upper alimentary tract

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

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 750.8 Other specified anomalies of upper alimentary tract

Diagnosis Index entries for Q40.8

• Absence (of) (organ or part) (complete or partial) › alimentary tract (congenital) › upper
• Absence (of) (organ or part) (complete or partial) › digestive organ (s) or tract, congenital › upper
• Agenesis › alimentary tract (complete) (partial) NEC › upper
• Agenesis › digestive organ (s) or tract (complete) (partial) NEC › upper
• Atresia, atretic › alimentary organ or tract NEC › upper
• Hypoplasia, hypoplastic › alimentary tract, congenital › upper
• Hypoplasia, hypoplastic › digestive organ (s) or tract NEC › upper (congenital)
• Imperfect › closure (congenital) › alimentary tract NEC › upper
• Malformation (congenital) › alimentary tract › upper › specified type NEC
• Malposition › congenital › alimentary tract › upper
• Malposition › congenital › digestive organ or tract NEC › upper
• Patulous › alimentary tract › upper

Nearby codes

• Q40 Other congenital malformations of upper alimentary tract
• Q40.0 Congenital hypertrophic pyloric stenosis
• Q40.1 Congenital hiatus hernia
• Q40.2 Other specified congenital malformations of stomach
• Q40.3 Congenital malformation of stomach, unspecified
• Q40.8 Other specified congenital malformations of upper alimentary tract (this code)
• Q40.9 Congenital malformation of upper alimentary tract, unspecified