K90 Intestinal malabsorption

Category / Non-billable header 16 subcodes

Block: Other diseases of the digestive system (K90-K95)

Excludes 1 (cannot be coded together)

  • intestinal malabsorption following gastrointestinal surgery (K91.2)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K90..0 Celiac disease Yes
K90..1 Tropical sprue Yes
K90..2 Blind loop syndrome, not elsewhere classified Yes
K90..3 Pancreatic steatorrhea Yes
K90..4 Other malabsorption due to intolerance No
K90..41 Non-celiac gluten sensitivity Yes
K90..49 Malabsorption due to intolerance, not elsewhere classified Yes
K90..8 Other intestinal malabsorption No
K90..81 Whipple's disease Yes
K90..82 Short bowel syndrome No
K90..821 Short bowel syndrome with colon in continuity Yes
K90..822 Short bowel syndrome without colon in continuity Yes
K90..829 Short bowel syndrome, unspecified Yes
K90..83 Intestinal failure Yes
K90..89 Other intestinal malabsorption Yes
K90..9 Intestinal malabsorption, unspecified Yes

Last reviewed: September 2026