By rray, 4 April, 2024 oxycodone typically screens negative on opiate immunoassay w exception of large amounts 1 4 6
By rray, 4 April, 2024 Standard opiate immunoassays test for opium alkaloids and or metabolites incl morphine codeine Semisynthetic opioids may or may not be detected and synthetic opioids will not be detected by opiate immunoassay assays specific for these drugs may be request