K90.81 — Whipple's disease
K90.81 is a billable, specific ICD-10-CM code for whipple's disease. It is valid for submission on a claim.
Other codes that can never be billed with K90.81
These codes carry an Excludes1 note pointing at K90.81. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K90.81 alone.
- E88.1Lipodystrophy, not elsewhere classified
Risk adjustment
K90.81 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
K90.81 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
How K90.81 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K90.81.
- Whipple's disease
- Lipodystrophy›intestinal
- Arthropathy›in›Whipple's disease
Related codes at this level
Codes that share K90.8. If K90.81 is not quite right, the correct code is usually one of these.
Questions about K90.81
- Is K90.81 a billable ICD-10-CM code?
- Yes. K90.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K90.81 sit in the tabular list?
- Diseases of the digestive system (K00-K95), in the block Other diseases of the digestive system (K90-K95).