U.S. ICD-10-CM · FY 2027

K90 ICD-10-CM Code: Intestinal malabsorption

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K90

Intestinal malabsorption

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K90 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Other diseases of the digestive system (K90-K95)

  3. 3

    Category K90

    Intestinal malabsorption

  4. 4

    Code K90

    Intestinal malabsorption

More specific choices

Codes under K90

K90 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for K90.

Code first

No “code first” instruction is listed for K90.

Use additional code

No “use additional code” instruction is listed for K90.

Excludes1

Conditions that should not be reported together with this code.

  • intestinal malabsorption following gastrointestinal surgery (K91.2)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for K90.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K90 mean?

K90 is the FY 2027 U.S. ICD-10-CM code for “Intestinal malabsorption.”

Is K90 a billable or specific ICD-10-CM code?

No. K90 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K90 located in ICD-10-CM?

K90 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Other diseases of the digestive system (K90-K95) (K90–K95), under category K90, Intestinal malabsorption.

What coding notes are listed for K90?

No inclusion terms are listed for K90 in this reference record. No code-first instruction is listed. Excludes1 notes: intestinal malabsorption following gastrointestinal surgery (K91.2). No Excludes2 note is listed.

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