K58Irritable bowel syndrome
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 K58 directly
Use the most specific code supported by the record.
- Chapter XI
- Diseases of the digestive system
- Group K55-K64
- Other diseases of intestines
- Official Vietnamese name
- Hội chứng ruột kích thích
- Additional WHO coding guidance
- Incl.: irritable colon
Related K58 codes
K58.1
Primary diagnosis candidate
Irritable bowel syndrome with predominant diarrhoea [IBS-D]
K58.2
Primary diagnosis candidate
Irritable bowel syndrome with predominant constipation [IBS-C]
K58.3
Primary diagnosis candidate
Irritable bowel syndrome with mixed bowel habits [IBS-M]
K58.8
Primary diagnosis candidate
Other and unspecified irritable bowel syndrome
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.
