GA13.1ICD-11 MMS 2026-01
Low grade squamous intraepithelial lesion of vulva
Description
A condition of the vulva, characterised by lesion of the squamous vulvar intraepithelial cells, leading to unspecified grade or severity of dysplasia and varying degrees of atypia of the cells. This condition is associated with smoking and immunosuppression, or conditions such as human papillomavirus, chronic vulvar irritation, or herpes simplex virus type 2. Confirmation is by tissue biopsy.
Index terms
- Low grade squamous intraepithelial lesion of vulva
- LSIL – [low grade squamous intraepithelial lesion of vulva]
- VIN I- [vulvar intraepithelial neoplasia grade I]
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- VIN [vulvar intraepithelial neoplasia] NOS
- dysplasia of vulva NOS
- epithelial hyperplasia of labia (deprecated)
- epithelial hyperplasia of vulva
- intraepithelial neoplasia of vulva NOS
- mild vulvar dysplasia
Excludes
Exclusions from above levels
01– Certain infectious or parasitic diseases05– Endocrine, nutritional or metabolic diseases18– Complications of pregnancy, childbirth and the puerperium
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22– Injury, poisoning or certain other consequences of external causes
Sibling codes
GA13.0– Polyp of vulvaGA13.2– Hypertrophy of vulvaGA13.3– Vulvar cystGA13.4– Labial agglutinationGA13.5– Skene duct cystGA13.6– Vulvar lacerationGA13.7– Vulvar haematomaGA13.Y– Other specified acquired abnormalities of vulva or perineumGA13.Z– Acquired abnormalities of vulva or perineum, unspecified
Foundation entity
Low grade squamous intraepithelial lesion of vulva – http://id.who.int/icd/entity/748678746
Allowed postcoordination axes
Part of: GA13: Acquired abnormalities of vulva or perineum › 16: Diseases of the genitourinary system