K90.821

Billable

Short bowel syndrome with colon in continuity

HCC Category Mapping

RxHCCHCC 66 — Pancreatic Disease and Disorders

0.000

What This Code Means

A condition where a significant portion of the small intestine has been surgically removed, but the colon remains connected, affecting nutrient and fluid absorption.

Coding Tips

•Clearly document the surgical history and which segments of bowel were removed
•Note the presence of the colon as it affects prognosis and management compared to K90.822

Clinical Significance

Short bowel syndrome with colon in continuity represents a severe malabsorption condition requiring specialized nutritional support and monitoring. This condition carries significant morbidity risk and often requires long-term parenteral nutrition or intensive medical management.

Documentation Requirements

✓History of extensive small bowel resection
✓Documentation that colon remains in continuity
✓Remaining small bowel length if known
✓Evidence of malabsorption and nutritional deficiencies
✓Current nutritional support requirements
✓Complications related to short bowel syndrome
✓Functional assessment of remaining bowel
✓Ongoing medical management requirements

Commonly Confused Codes

K90.822 — Short bowel syndrome without colon in continuity K90.829 — Unspecified short bowel syndrome when colon status unknown K91.2 — Postsurgical malabsorption is broader and less specific K90.83 — Intestinal failure may overlap but represents functional rather than anatomical definition

Code Hierarchy

└K90Intestinal malabsorption └K90.8Other intestinal malabsorption └K90.82Short bowel syndrome └K90.821Short bowel syndrome with colon in continuity

└K90.821Short bowel syndrome with colon in continuity