L50Urticaria
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 L50 directly
Use the most specific code supported by the record.
- Chapter XII
- Diseases of the skin and subcutaneous tissue
- Group L50-L54
- Urticaria and erythema
- Official Vietnamese name
- Bệnh mày đay
- Additional WHO coding guidance
- Excl.: allergic contact dermatitis (L23.-) angioneurotic oedema (T78.3) hereditary angio- oedema (D84.1) Quincke oedema (T78.3) urticaria: giant (T78.3) neonatorum (P83.8) papulosa (L28.2) pigmentosa (Q82.2) serum
Related L50 codes
L50.0
Primary diagnosis candidate
Allergic urticaria
L50.1
Primary diagnosis candidate
Idiopathic urticaria
L50.2
Primary diagnosis candidate
Urticaria due to cold and heat
L50.3
Primary diagnosis candidate
Dermatographic urticaria
L50.4
Primary diagnosis candidate
Vibratory urticaria
L50.5
Primary diagnosis candidate
Cholinergic urticaria
L50.6
Primary diagnosis candidate
Contact urticaria
L50.8
Primary diagnosis candidate
Other urticaria
L50.9
Primary diagnosis candidate
Urticaria, 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.
