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. 2019 Oct 22;15(4):228–254. doi: 10.1007/s13181-019-00736-9

Table 13.

Opioids

N (%)
Heroin 383 (37.9)
Oxycodone 125 (12.4)
Fentanyl 102 (10.1)
Tramadol 82 (8.1)
Buprenorphine 62 (6.1)
Methadone 57 (5.6)
Opioid unspecified 57 (5.6)
Hydrocodone 46 (4.6)
Morphine 31 (3.1)
Loperamide 12 (1.2)
Hydromorphone 11 (1.1)
Codeine 10 (1.0)
Naloxone 9 (0.9)
Miscellaneousa 23 (2.3)
Class total 1010 (100)

aIncludes acetyl fentanyl, butorphanol, depropionylfentanyl, diphenoxylate, fluoroisobutyryl fentanyl (4- or para-), methyl norfentanyl, N-allyl norfentanyl, naltrexone, norfentanyl, oxymorphone, remifentanil, tapentadol, U47700