Idiopathic malabsorption

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Idiopathic malabsorption due to bile acid synthesis defects

ORPHA:84065Disease

Also called Idiopathic bile acid malabsorption

What it is

A disorder that is due to increased acid bile synthesis is an intestinal disease of unknown etiology characterized by an overproduction of bile acids which leads to chronic watery diarrhea.

Key facts

Classified as
Disease

Recorded for the broader condition

Prevalence
1-9 / 1 000 000 (Europe)Disorder of bile acid synthesis

Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.

ICD-10 codes

K90.8filed under a broader ICD-10 category — shared with 5 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0019393UMLS C4274509

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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