Q39.9 Congenital malformation of esophagus, unspecified

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

MS-DRG index

Defines the logic of DRG(s) 368-370 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 750.4 Other specified anomalies of esophagus (approximate)

Diagnosis Index entries for Q39.9

• Anomaly, anomalous (congenital) (unspecified type) › esophagus
• Defect, defective › esophagus, congenital
• Deformity › esophagus (congenital)
• Malformation (congenital) › esophagus

Nearby codes

• Q39.3 Congenital stenosis and stricture of esophagus
• Q39.4 Esophageal web
• Q39.5 Congenital dilatation of esophagus
• Q39.6 Congenital diverticulum of esophagus
• Q39.8 Other congenital malformations of esophagus
• Q39.9 Congenital malformation of esophagus, unspecified (this code)