L70.9Acne, unspecified
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 L60-L75
- Disorders of skin appendages
- Official Vietnamese name
- Trứng cá, không xác định
Related L70 codes
L70
Acne
L70.0
Primary diagnosis candidate
Acne vulgaris
L70.1
Primary diagnosis candidate
Acne conglobata
L70.2
Primary diagnosis candidate
Acne varioliformis
L70.3
Primary diagnosis candidate
Acne tropica
L70.4
Primary diagnosis candidate
Infantile acne
L70.5
Primary diagnosis candidate
Acné excoriée
L70.8
Primary diagnosis candidate
Other acne
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.