News All 2016 CPT Code Changes G0477 2016 CPT Code Changes G0477 Categories All 2016 CPT Code Changes G0477 2016 CMS Drug Testing Codes: G0477, A Change You Should Know About 2016 CPT Code Changes G0477ToxTests AdminJan 21, 2016 Join Us A short sentence describing what someone will receive by subscribing Your email Subscribe100% free, Unsubscribe any time! Follow us