Q43.4 Duplication of intestine

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) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 751.5 Other anomalies of intestine (approximate)

Diagnosis Index entries for Q43.4

• Accessory (congenital) › anus
• Accessory (congenital) › appendix
• Accessory (congenital) › cecum
• Accessory (congenital) › intestine (large) (small)
• Duplication, duplex › anus
• Duplication, duplex › appendix (and cecum)
• Duplication, duplex › cecum (and appendix)
• Duplication, duplex › intestine (large) (small)

Nearby codes

• Q43 Other congenital malformations of intestine
• Q43.0 Meckel's diverticulum (displaced) (hypertrophic)
• Q43.1 Hirschsprung's disease
• Q43.2 Other congenital functional disorders of colon
• Q43.3 Congenital malformations of intestinal fixation
• Q43.4 Duplication of intestine (this code)
• Q43.5 Ectopic anus
• Q43.6 Congenital fistula of rectum and anus
• Q43.7 Persistent cloaca
• Q43.8 Other specified congenital malformations of intestine
• Q43.9 Congenital malformation of intestine, unspecified