Updates to CLIA-Waived CPT Codes for Infectious Agent Antigen Detection

Effective for dates of service on or after July 1, 2017, when performed with a Clinical Laboratory Improvement Amendments (CLIA)-waived test kit, CPT codes 87338 (infectious agent antigen detection by immunoassay technique, qualitative or semiquantitative, multiple-step method; Helicobacter pylori, stool) and 87806 (infectious agent antigen detection by immunoassay with direct optical observation; HIV-1 antigen(s), with HIV-1 and HIV-2 antibodies) must be billed with modifier QW (CLIA-waved test) to be reimbursed.