K90.49
K90.49: Malabsorption due to intolerance, not elsewhere classified
Billable / specific codeICD-10-CM
K90.49 is a billable, specific ICD-10-CM code for malabsorption due to intolerance, not elsewhere classified. It is valid for submission on a claim.
Check K90.49 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Malabsorption due to intolerance to carbohydrate
- Malabsorption due to intolerance to fat
- Malabsorption due to intolerance to protein
- Malabsorption due to intolerance to starch
Excludes1 inherited from the categories above K90.49
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above K90.49
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with K90.49
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K59Other functional intestinal disorders
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K90.49 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Alphabetic index entries that lead here
- Absorption›carbohydrate, disturbance
- Absorption›fat, disturbance
- Absorption›protein, disturbance
- Absorption›starch, disturbance
- Enteropathy›protein-losing
- Intolerance›carbohydrate
- Intolerance›fat NEC
- Intolerance›food
- Intolerance›milk NEC
- Intolerance›protein
- Intolerance›starch NEC
- Malabsorption›carbohydrate
Code history
Unchanged in every release from FY2024 to FY2027.