K65Peritonitis
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 K65 directly
Use the most specific code supported by the record.
- Chapter XI
- Diseases of the digestive system
- Group K65-K67
- Diseases of peritoneum
- Official Vietnamese name
- Viêm phúc mạc
- Additional WHO coding guidance
- Excl.: peritonitis: aseptic (T81.6) benign paroxysmal (E85.0) chemical (T81.6) due to talc or other foreign substance (T81.6) neonatal (P78.0-P78.1) pelvic, female (N73.3-N73.5) periodic familial (E85.0) puerperal (O85) with or following: abortion or ectopic or molar pregnancy (O00- O07, O08.0)
Related K65 codes
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.