L40.4Guttate psoriasis
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 XII
- Diseases of the skin and subcutaneous tissue
- Group L40-L45
- Papulosquamous disorders
- Official Vietnamese name
- Bệnh vảy nến thể giọt
Related L40 codes
L40
Psoriasis
L40.0
Primary diagnosis candidate
Psoriasis vulgaris
L40.1
Primary diagnosis candidate
Generalized pustular psoriasis
L40.2
Primary diagnosis candidate
Acrodermatitis continua
L40.3
Primary diagnosis candidate
Pustulosis palmaris et plantaris
L40.5
Primary diagnosis candidate
Arthropathic psoriasis (M07.0- M07.3*, M09.0*)
L40.8
Primary diagnosis candidate
Other psoriasis
L40.9
Primary diagnosis candidate
Psoriasis, 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.