Q43.9 Congenital malformation of intestine, 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) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 751.5 Other anomalies of intestine (approximate)

Diagnosis Index entries for Q43.9

• Anomaly, anomalous (congenital) (unspecified type) › anus
• Anomaly, anomalous (congenital) (unspecified type) › cecum
• Anomaly, anomalous (congenital) (unspecified type) › colon
• Anomaly, anomalous (congenital) (unspecified type) › digestive organ (s) or tract › lower
• Anomaly, anomalous (congenital) (unspecified type) › duodenum
• Anomaly, anomalous (congenital) (unspecified type) › ileocecal (coil) (valve)
• Anomaly, anomalous (congenital) (unspecified type) › ileum
• Anomaly, anomalous (congenital) (unspecified type) › intestine (large) (small)
• Anomaly, anomalous (congenital) (unspecified type) › rectum
• Anomaly, anomalous (congenital) (unspecified type) › sigmoid (flexure)
• Deformity › anus (acquired) › congenital
• Deformity › cecum (congenital)
• Deformity › colon (congenital)
• Deformity › duodenum (congenital)
• Deformity › ileocecal (coil) (valve) (acquired) › congenital
• Deformity › ileum (congenital)
• Deformity › intestine (large) (small) (congenital) NOS
• Deformity › rectum (congenital)
• Deformity › sigmoid (flexure) (congenital)
• Maldevelopment › colon
• Malformation (congenital) › intestine

Nearby codes

• Q43.4 Duplication of intestine
• 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 (this code)