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Genital Warts
1996 Case Definition

Clinical Description

An infection characterized by the presence of visible, exophytic (raised) growths on the internal or external genitalia, perineum, or perianal region

Laboratory Criteria for Diagnosis

  • Histopathologic changes characteristic of human papillomavirus infection in specimens obtained by biopsy or exfoliative cytology, OR
  • Demonstration of virus by antigen or nucleic acid detection in a lesion biopsy

Case Classification


A clinically compatible case without histopathologic diagnosis and without microscopic or serologic evidence that the growth is the result of secondary syphilis


A clinically compatible case that is laboratory confirmed


Genital warts should be reported only once per patient. The first diagnosis for a patient with no previous diagnosis should be reported.