K90Intestinal malabsorption
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use K90 directly
Use the most specific code supported by the record.
- Chapter XI
- Diseases of the digestive system
- Group K90-K93
- Other diseases of the digestive system
- Official Vietnamese name
- Suy giảm hấp thu ở ruột
- Additional WHO coding guidance
- Excl.: following gastrointestinal surgery (K91.2)
Related K90 codes
K90.0
Primary diagnosis candidate
Coeliac disease
K90.1
Primary diagnosis candidate
Tropical sprue
K90.2
Primary diagnosis candidate
Blind loop syndrome, not elsewhere classified
K90.3
Primary diagnosis candidate
Pancreatic steatorrhoea
K90.4
Primary diagnosis candidate
Malabsorption due to intolerance, not elsewhere classified
K90.8
Primary diagnosis candidate
Other intestinal malabsorption
K90.9
Primary diagnosis candidate
Intestinal malabsorption, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
