TABLE 5.

Opioid Classes and Detection by Opiate Immunoassay^a

Select Naturals (extracted from opium)	Select Semisynthetics (derived from opium sources)	Select Synthetics
Codeine	Hydrocodone	Methadone
Morphine	Oxycodone	Fentanyl
Opium	Hydromorphone	Meperidine
	Oxymorphone	Tapentadol
	Buprenorphine	Tramadol
	Heroin (detected as morphine)
Detectability by Opiate Immunoassay
Yes	May or may not be detected depending on the lab assay and dose	Not detected at any level by opiate immunoassay and require their own test
	Buprenorphine is not detected on opiate screen

^aThis table contains commonly used opioids and is not meant to be cpmprehensive.