c7d596e6__II_CodesAAPC_News___AAPC_News__Long_description
[HCPCS] G0434 [Status] new [Long description] 
Drug screen, other than chromatographic; any number of drug classes, by CLIA waived test or moderate complexity test, per patient encounter
CMS: Quarterly Update to HCPCS Level II CodesAAPC News - AAPC News
Long description