I34Nonrheumatic mitral valve disorders
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 I34 directly
Use the most specific code supported by the record.
- Chapter IX
- Diseases of the circulatory system
- Group I30-I52
- Other forms of heart disease
- Official Vietnamese name
- Rối loạn van hai lá không do bệnh thấp
- Additional WHO coding guidance
- Excl.: mitral (valve): disease (I05.9) failure (I05.8) stenosis (I05.0) when of unspecified cause but with mention of: diseases of aortic valve (I08.0) mitral stenosis or obstruction (I05.0) when specified as congenital (Q23.2- Q23.9) when specified as rheumatic (I05.-)
Related I34 codes
I34.0
Primary diagnosis candidate
Mitral (valve) insufficiency
I34.1
Primary diagnosis candidate
Mitral (valve) prolapse
I34.2
Primary diagnosis candidate
Nonrheumatic mitral (valve) stenosis
I34.8
Primary diagnosis candidate
Other nonrheumatic mitral valve disorders
I34.9
Primary diagnosis candidate
Nonrheumatic mitral valve disorder, 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.
