K90.821 Short bowel syndrome with colon in continuity

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Short bowel syndrome with colonic continuity

Applies from K90 Intestinal malabsorption

Excludes1 (never code together)

• intestinal malabsorption following gastrointestinal surgery (K91.2)

Applies from K90.82 Short bowel syndrome

Applicable to

• Short gut syndrome

Excludes1 (never code together)

• postsurgical malabsorption, not elsewhere classified (K91.2)

Risk adjustment (HCC)

• RxHCC V08: HCC 66 — Pancreatic Disorders and Intestinal Malabsorption, Except Pancreatitis

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Code annotations containing back-references to K90.821

Back-references to K90

• Type 1 Excludes: K59 Other functional intestinal disorders ("intestinal malabsorption (K90.-)")

Diagnosis Index entries for K90.821

• Syndrome › short › bowel › with › colon in continuity
• Syndrome › short › bowel › with › ileocolonic anastomosis

Nearby codes

• K90.41 Non-celiac gluten sensitivity
• K90.49 Malabsorption due to intolerance, not elsewhere classified
• K90.8 Other intestinal malabsorption
• K90.81 Whipple's disease
• K90.82 Short bowel syndrome
• K90.821 Short bowel syndrome with colon in continuity (this code)
• K90.822 Short bowel syndrome without colon in continuity
• K90.829 Short bowel syndrome, unspecified
• K90.83 Intestinal failure
• K90.89 Other intestinal malabsorption
• K90.9 Intestinal malabsorption, unspecified