K29.5Chronic gastritis, unspecified
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
- Viêm dạ dày mạn tính, không xác định
- Additional WHO coding guidance
- Chronic gastritis: antral fundal
Related K29 codes
K29
Gastritis and duodenitis
K29.0
Primary diagnosis candidate
Acute haemorrhagic gastritis
K29.1
Primary diagnosis candidate
Other acute gastritis
K29.2
Primary diagnosis candidate
Alcoholic gastritis
K29.3
Primary diagnosis candidate
Chronic superficial gastritis
K29.4
Primary diagnosis candidate
Chronic atrophic gastritis
K29.6
Primary diagnosis candidate
Other gastritis
K29.7
Primary diagnosis candidate
Gastritis, unspecified
K29.8
Primary diagnosis candidate
Duodenitis
K29.9
Primary diagnosis candidate
Gastroduodenitis, 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.
