K90.8 – Other intestinal malabsorption

ICD-10-CM 2027 diagnosis code · Other diseases of the digestive system

Non-billable header

ICD-10-CM code K90.8

Code: K90.8 (claims format: K908)
Description: Other intestinal malabsorption
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K90-K95 Other diseases of the digestive system
Parent codes: K90

Billable codes under K90.8

K90.8 is a header code and cannot be used on claims. Choose the most specific code:

K90.81 – Whipple's diseaseBillable
K90.82 – Short bowel syndromeHeader (more codes below)
K90.83 – Intestinal failureBillable
K90.89 – Other intestinal malabsorptionBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K90 – Intestinal malabsorption

Excludes1 (not coded here):

intestinal malabsorption following gastrointestinal surgery (K91.2)

Related codes in K90

K90.0 – Celiac diseaseBillable
K90.1 – Tropical sprueBillable
K90.2 – Blind loop syndrome, not elsewhere classifiedBillable
K90.3 – Pancreatic steatorrheaBillable
K90.4 – Other malabsorption due to intoleranceHeader
K90.9 – Intestinal malabsorption, unspecifiedBillable

Frequently asked questions

What is ICD-10 code K90.8?

K90.8 is the ICD-10-CM code for other intestinal malabsorption, in the block K90-K95 (Other diseases of the digestive system).

Is K90.8 a billable code?

No. K90.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does K90.8 belong to?

It belongs to category K90 – Intestinal malabsorption.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.