N90 is the ICD-10 code for Other noninflammatory disorders of vulva and perineum. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block N80–N98 (Noninflammatory disorders of female genital tract) in Chapter XIV, Diseases of the genitourinary system.
- Code type
- Category (3 characters)
- Chapter
- XIV · N00–N99
- Classification
- WHO ICD-10, 2019 version
What N90 excludes
Conditions that look similar but belong under another code.
- carcinoma in situ of vulva D07.1
- current obstetric trauma O70.-, O71.7-O71.8
- inflammation of vulva N76.-
Subcodes of N90
- N90.0Mild vulvar dysplasia
- N90.1Moderate vulvar dysplasia
- N90.2Severe vulvar dysplasia, not elsewhere classified
- N90.3Dysplasia of vulva, unspecified
- N90.4Leukoplakia of vulva
- N90.5Atrophy of vulva
- N90.6Hypertrophy of vulva
- N90.7Vulvar cyst
- N90.8Other specified noninflammatory disorders of vulva and perineum
- N90.9Noninflammatory disorder of vulva and perineum, unspecified
N90 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N90Andra icke-inflammatoriska sjukdomar i vulva och perineum (mellangården)
DN90Andre ikke-inflammatoriske sygdomme i kvindens ydre kønsdele
N90Muut ulkosynnyttimien ja välilihan ei-tulehdukselliset sairaudet
N90Sonstige nichtentzündliche Krankheiten der Vulva und des Perineums
N90Autres affections non inflammatoires de la vulve et du périnée
N90overige niet-inflammatoire aandoeningen van vulva en perineum
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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