Obstruction of small intestine

Definition

Hindrance of the passage of luminal contents in the small intestine. Obstruction of the small intestine can be partial or complete, and caused by intrinsic or extrinsic factors. Simple obstruction is associated with diminished or stopped flow of luminal contents. Strangulating obstruction is associated with impaired blood flow to the small intestine in addition to obstructed flow of luminal contents.

Inclusions

• Occlusion of small intestine

Exclusions

• Crohn disease of small intestine (DD70.1)
• Diverticular disease of small intestine
• Intestinal obstruction of newborn (KB87)
• Paralytic ileus (DA93.0)
• hernia involving small intestine (DD50.2)
• ischaemic stricture of small intestine (DD31)

6 subordinate codes

• DA91.0Intussusception of small intestine
• DA91.1Volvulus of small intestine
• DA91.2Intestinal adhesions or bands of small intestine with obstruction
• DA91.3Obstructive ileus of small intestine due to impaction
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Diseases of small intestine

• DA90Nonstructural developmental anomalies of small intestine
• DA92Other acquired anatomical alterations of small intestine
• DA93Motility disorders of small intestine
• DA94Noninfectious enteritis or ulcer of small intestine
• DA95Coeliac disease
• DA96Intestinal malabsorption or protein-losing enteropathy
• DA97Certain vascular disorders of small intestine
• DA98Polyps of small intestine