H04.6Other changes in lacrimal passages
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 VII
- Diseases of the eye and adnexa
- Group H00-H06
- Disorders of eyelid, lacrimal system and orbit
- Official Vietnamese name
- Thay đổi khác trong lệ đạo
- Additional WHO coding guidance
- Lacrimal fistula
Related H04 codes
H04
Disorders of lacrimal system
H04.0
Primary diagnosis candidate
Dacryoadenitis
H04.1
Primary diagnosis candidate
Other disorders of lacrimal gland
H04.2
Primary diagnosis candidate
Epiphora
H04.3
Primary diagnosis candidate
Acute and unspecified inflammation of lacrimal passages
H04.4
Primary diagnosis candidate
Chronic inflammation of lacrimal passages
H04.5
Primary diagnosis candidate
Stenosis and insufficiency of lacrimal passages
H04.8
Primary diagnosis candidate
Other disorders of lacrimal system
H04.9
Primary diagnosis candidate
Disorder of lacrimal system, 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.
