Short answer · Medically reviewed summary · Last updated: 2026-05-08

Short Bowel Syndrome (SBS) is coded as K91.2 in the ICD-10-CM classification system, representing "Postsurgical malabsorption, not elsewhere classified." In the older ICD-9-CM system, Short Bowel Syndrome was typically identified by the code 579.3, which covers other specified postsurgical nonabsorption. Why are medical codes important for Short Bowel Syndrome? Accurate coding for Short Bowel Syndrome is essential for ensuring that patients receive appropriate insurance coverage for specialized care, such as parenteral nutrition and intestinal rehabilitation. Because Short Bowel Syndrome is a complex condition resulting from the surgical removal of a significant portion of the small intestine, precise medical documentation helps healthcare systems track the long-term management and resource utilization required for these patients. What are the primary clinical features of Short Bowel Syndrome? Patients living with Short Bowel Syndrome often experience severe malabsorption, which can lead to chronic diarrhea, dehydration, electrolyte imbalances, and significant unintentional weight loss.

2 people with Short Bowel Syndrome have shared their first-person experience on this question at DiseaseMaps.

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ICD10 code of Short Bowel Syndrome and ICD9 code

ICD-10 and ICD-9 codes for Short Bowel Syndrome, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Short Bowel Syndrome

Short Bowel Syndrome (SBS) is coded as K91.2 in the ICD-10-CM classification system, representing "Postsurgical malabsorption, not elsewhere classified." In the older ICD-9-CM system, Short Bowel Syndrome was typically identified by the code 579.3, which covers other specified postsurgical nonabsorption.



Why are medical codes important for Short Bowel Syndrome?


Accurate coding for Short Bowel Syndrome is essential for ensuring that patients receive appropriate insurance coverage for specialized care, such as parenteral nutrition and intestinal rehabilitation. Because Short Bowel Syndrome is a complex condition resulting from the surgical removal of a significant portion of the small intestine, precise medical documentation helps healthcare systems track the long-term management and resource utilization required for these patients.



What are the primary clinical features of Short Bowel Syndrome?


Patients living with Short Bowel Syndrome often experience severe malabsorption, which can lead to chronic diarrhea, dehydration, electrolyte imbalances, and significant unintentional weight loss. The severity of Short Bowel Syndrome symptoms generally depends on the length and location of the remaining bowel, as well as the presence of the ileocecal valve. Within our DiseaseMaps community, 113 people with Short Bowel Syndrome have shared their experiences, highlighting the diverse ways this condition impacts daily quality of life.



How is the management of Short Bowel Syndrome structured?


Clinical management for Short Bowel Syndrome focuses on maximizing the absorptive capacity of the remaining intestine. Common therapeutic strategies include:



  • Enteral Nutrition: Utilizing specialized oral or tube-fed diets to stimulate bowel adaptation.

  • Parenteral Nutrition: Providing intravenous nutrition for those unable to absorb sufficient calories.

  • Pharmacotherapy: Using anti-motility agents or GLP-2 analogs (like teduglutide) to enhance intestinal absorption.

  • Intestinal Rehabilitation: Multidisciplinary care involving gastroenterologists, surgeons, and dietitians.



Next steps



  • Consult with a gastroenterologist specializing in intestinal failure or motility disorders.

  • Maintain a detailed log of your nutritional intake and bowel output to share with your care team.

  • Connect with the 113 members of the DiseaseMaps community living with Short Bowel Syndrome for peer support.



Medical disclaimer: This information is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Short Bowel Syndrome

  • Orphanet: Rare disease database (ORPHA: 3138)

  • ICD-10-CM Browser (National Center for Health Statistics)

  • Oley Foundation (Support and advocacy for home parenteral and enteral nutrition)

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-05-08
Sources cited: NIH Genetic and Rare Diseases Information Center (GARD): Short Bowel Syndrome · Orphanet: Rare disease database (ORPHA: 3138) · ICD-10-CM Browser (National Center for Health Statistics) · Oley Foundation (Support and advocacy for home parenteral and enteral nutrition)
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
3 answers
K91.2 is a billable ICD code used to specify a diagnosis of postsurgical malabsorption, not elsewhere classified
Crohn’s Disease
Crohn’s disease causes inflammation in the GI tract lining. It may spread into the deep layers of the affected tissue and can be painful and debilitating. Crohn’s disease mainly affects short segments of the small and large intestine.

Crohn’s disease is classified to ICD-9-CM category 555, Regional enteritis. The specific code assignment depends on the site affected by the disease, as follows:
• 555.0, Crohn’s disease of small intestine, including duodenum, ileum, and jejunum (regional ileitis);
• 555.1, Crohn’s disease of large intestine (regional colitis);
• 555.2, Crohn’s disease of small intestine with large intestine (regional ileocolitis); and
• 555.9, Crohn’s disease of unspecified site (regional enteritis, not otherwise specified).

Posted Nov 7, 2018 by ZF 4600
Translated from spanish Improve translation
In my country the don't know

Posted Nov 8, 2017 by Liz 2000

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