H54.4Blindness, monocular
Code usage status
Primary diagnosis
Not recommended 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 H53-H54
- Visual disturbances and blindness
- Official Vietnamese name
- Mù, một mắt
- Additional WHO coding guidance
- Visual impairment categories 3, 4, 5 in one eye and categories 0, 1, 2 or 9 in the other eye.
Related H54 codes
H54
Visual impairment including blindness (binocular or monocular)
H54.0
Blindness, binocular Visual impairment
H54.1
Severe visual impairment, binocular
H54.2
Moderate visual impairment, binocular
H54.3
Mild or no visual impairment, binocular
H54.5
Severe visual impairment, monocular
H54.6
Moderate visual impairment, monocular
H54.9
Unspecified visual impairment (binocular)
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.
