K22.5Diverticulum of oesophagus, acquired
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter XI
- Diseases of the digestive system
- Group K20-K31
- Diseases of oesophagus, stomach and duodenum
- Official Vietnamese name
- Túi thừa thực quản, mắc phải
- Additional WHO coding guidance
- Oesophageal pouch, acquired Excl.: diverticulum of oesophagus (congenital) (Q39.6)
Related K22 codes
K22
Other diseases of oesophagus
K22.0
Primary diagnosis candidate
Achalasia of cardia
K22.1
Primary diagnosis candidate
Ulcer of oesophagus Erosion of oesophagus
K22.2
Primary diagnosis candidate
Oesophageal obstruction
K22.3
Primary diagnosis candidate
Perforation of oesophagus
K22.4
Primary diagnosis candidate
Dyskinesia of oesophagus
K22.6
Primary diagnosis candidate
Gastro- oesophageal laceration- haemorrhage syndrome
K22.7
Primary diagnosis candidate
Barrett oesophagus Barrett:
K22.8
Primary diagnosis candidate
Other specified diseases of oesophagus
K22.9
Primary diagnosis candidate
Disease of oesophagus, 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.
