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R87.610

Billable

Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A cervical cancer screening test (Pap smear) shows atypical cells that cannot be clearly classified and may require follow-up testing.

Coding Tips

  • ASC-US is the most common abnormal Pap result and typically requires HPV testing or repeat cytology
  • Document any reflex HPV testing results performed

Code Hierarchy

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