K90
Non-billableIntestinal malabsorption
K90 is the ICD-10-CM code for Intestinal malabsorption. It is a non-billable category code — use a more specific child code such as K90.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 7
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHYour small intestine does most of the digesting of the foods you eat. If you have a malabsorption syndrome, your small intestine cannot absorb nutrients from foods. Causes of malabsorption syndromes include: Celiac disease Lactose intolerance Short bowel syndrome. This happens after surgery to remove half or more of the small intestine. You might need the surgery if you have a problem with the small intestine from a…
Read more about Malabsorption Syndromes at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •intestinal malabsorption following gastrointestinal surgery (K91.2)
Medications indicated for this condition
FDA labeling- HydroxocobalaminAntidote [EPC]›
- Physicians Ez Use B-12 Compliance›
- PozelimabComplement Inhibitor [EPC]›
- TeduglutideGLP-2 Analog [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code K90?
- K90 is the ICD-10-CM code for "Intestinal malabsorption". It falls under K00-K95 Diseases of the digestive system.
- Is K90 a billable code?
- No — K90 is a non-billable header code. Use a more specific child code (such as K90.0) for billing.
- What is excluded from K90?
- Excludes1 (not coded here): intestinal malabsorption following gastrointestinal surgery (K91.2).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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