B36.1Tinea nigra
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.
- Group B35-B49
- Mycoses
- Official Vietnamese name
- Bệnh nấm da có thương tổn màu đen [nấm da nigra]
- Additional WHO coding guidance
- Keratomycosis nigricans palmaris Microsporosis nigra Pityriasis nigra
Related B36 codes
B36
Other superficial mycoses
B36.0
Primary diagnosis candidate
Pityriasis versicolor
B36.2
Primary diagnosis candidate
White piedra
B36.3
Primary diagnosis candidate
Black piedra
B36.8
Primary diagnosis candidate
Other specified superficial mycoses
B36.9
Primary diagnosis candidate
Superficial mycosis, 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.
