Main content

    Health Information

    Atypical Squamous Cells (ASC) of the Cervix

    Atypical Squamous Cells (ASC) of the Cervix

    Atypical squamous cells (ASC) are abnormal cells found on a Pap test, but the reason for the abnormalities is not known. The causes of ASC include infection and inflammation.

    ASC is further classified as:

    • ASC of undetermined significance (ASC-US).
    • ASC but cannot exclude high-grade squamous intraepithelial lesion (HSIL) (ASC-H).

    Last Revised: December 12, 2012

    Author: Healthwise Staff

    Medical Review: Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology

    This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

    1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.