D31Benign neoplasm of eye and adnexa
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use D31 directly
Use the most specific code supported by the record.
- Chapter II
- Neoplasms
- Group D10-D36
- Benign neoplasms
- Official Vietnamese name
- U lành ở mắt và/hoặc cấu trúc phụ cận của mắt
- Additional WHO coding guidance
- Excl.: connective tissue of eyelid (D21.0) optic nerve (D33.3) skin of eyelid (D22.1, D23.1)
Related D31 codes
D31.0
Primary diagnosis candidate
Conjunctiva
D31.1
Primary diagnosis candidate
Cornea
D31.2
Primary diagnosis candidate
Retina
D31.3
Primary diagnosis candidate
Choroid
D31.4
Primary diagnosis candidate
Ciliary body
D31.5
Primary diagnosis candidate
Lacrimal gland and duct
D31.6
Primary diagnosis candidate
Orbit, unspecified
D31.9
Primary diagnosis candidate
Eye, 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.
