N90.2Severe vulvar dysplasia, not elsewhere classified
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 XIV
- Diseases of the genitourinary system
- Group N80-N98
- Noninflammatory disorders of female genital tract
- Official Vietnamese name
- Loạn sản âm hộ mức độ nặng, không phân loại mục khác
- Additional WHO coding guidance
- Severe vulvar dysplasia NOS Excl.: vulvar intraepithelial neoplasia grade III, [VIN] with or without mention of severe dysplasia (D07.1)
Related N90 codes
N90
Other noninflammatory disorders of vulva and perineum
N90.0
Primary diagnosis candidate
Mild vulvar dysplasia
N90.1
Primary diagnosis candidate
Moderate vulvar dysplasia
N90.3
Primary diagnosis candidate
Dysplasia of vulva, unspecified
N90.4
Primary diagnosis candidate
Leukoplakia of vulva
N90.5
Primary diagnosis candidate
Atrophy of vulva
N90.6
Primary diagnosis candidate
Hypertrophy of vulva
N90.7
Primary diagnosis candidate
Vulvar cyst
N90.8
Primary diagnosis candidate
Other specified noninflammatory disorders of vulva and perineum
N90.9
Primary diagnosis candidate
Noninflammatory disorder of vulva and perineum, 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.
