K11.4Fistula of salivary gland
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 K00-K14
- Diseases of oral cavity, salivary glands and jaws
- Official Vietnamese name
- Lỗ rò tuyến nước bọt
- Additional WHO coding guidance
- Excl.: congenital fistula of salivary gland (Q38.4)
Related K11 codes
K11
Diseases of salivary glands
K11.0
Primary diagnosis candidate
Atrophy of salivary gland
K11.1
Primary diagnosis candidate
Hypertrophy of salivary gland
K11.2
Primary diagnosis candidate
Sialoadenitis
K11.3
Primary diagnosis candidate
Abscess of salivary gland
K11.5
Primary diagnosis candidate
Sialolithiasis
K11.6
Primary diagnosis candidate
Mucocele of salivary gland
K11.7
Primary diagnosis candidate
Disturbances of salivary secretion
K11.8
Primary diagnosis candidate
Other diseases of salivary glands
K11.9
Primary diagnosis candidate
Disease of salivary gland, 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.