H35.0Background retinopathy and retinal vascular changes
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 H30-H36
- Disorders of choroid and retina
- Official Vietnamese name
- Bệnh lý võng mạc nền và/hoặc thay đổi mạch máu võng mạc
- Additional WHO coding guidance
- Changes in retinal vascular appearance Retinal: micro-aneurysms neovascularization perivasculitis varices vascular sheathing vasculitis Retinopathy: NOS background NOS Coats exudative hypertensive
Related H35 codes
H35
Other retinal disorders
H35.1
Primary diagnosis candidate
Retinopathy of prematurity
H35.2
Primary diagnosis candidate
Other proliferative retinopathy
H35.3
Primary diagnosis candidate
Degeneration of macula and posterior pole
H35.4
Primary diagnosis candidate
Peripheral retinal degeneration
H35.5
Primary diagnosis candidate
Hereditary retinal dystrophy
H35.6
Primary diagnosis candidate
Retinal haemorrhage
H35.7
Primary diagnosis candidate
Separation of retinal layers
H35.8
Primary diagnosis candidate
Other specified retinal disorders
H35.9
Primary diagnosis candidate
Retinal disorder, 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.