Q43.2 Other congenital functional disorders of colon

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

Applicable to

• Congenital dilatation of colon

Risk adjustment (HCC)

• CMS-HCC V28: HCC 78 — Intestinal Obstruction/Perforation

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 751.3 Hirschsprung's disease and other congenital functional disorders of colon (approximate)

Diagnosis Index entries for Q43.2

• Disease, diseased › colon › functional › congenital
• Hypertrophy, hypertrophic › colon › congenital
• Macrosigmoid › congenital
• Megasigmoid › congenital

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 (this code)
• Q43.3 Congenital malformations of intestinal fixation
• Q43.4 Duplication of intestine
• Q43.5 Ectopic anus
• Q43.6 Congenital fistula of rectum and anus
• Q43.7 Persistent cloaca