ICD-10 diagnosis code

K90 Intestinal malabsorption

K90 is the ICD-10 code for Intestinal malabsorption. It is a three-character category divided into 7 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block K90–K93 (Other diseases of the digestive system) in Chapter XI, Diseases of the digestive system.

Code type: Category (3 characters)
Chapter: XI · K00–K93
Classification: WHO ICD-10, 2019 version

What K90 excludes

Conditions that look similar but belong under another code.

following gastrointestinal surgery K91.2

Subcodes of K90

K90 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

K90Malabsorption (bristfälligt näringsupptagande från tarmen)

DenmarkICD-10-DK

DK90Nedsat optagelse af næringsstoffer fra tarm

FinlandICD-10-FI

K90Suolen imeytymishäiriö

GermanyICD-10-GM

K90Intestinale Malabsorption

FranceICD-10-FR

K90Malabsorption intestinale

NetherlandsICD-10-NL

K90intestinale malabsorptie

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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