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. 2017 Aug 1;13(3):203–226. doi: 10.1007/s13181-017-0627-3

Table 13.

ToxIC 2016 agent entries—opioids

N (%)
Heroin 316 (28.3)
Oxycodone 199 (17.8)
Methadone 99 (8.9)
Opioid unspecified 90 (8.1)
Tramadol 87 (7.8)
Hydrocodone 86 (7.7)
Morphine 57 (5.1)
Buprenorphine 47 (4.2)
Fentanyl 46 (4.1)
Codeine 36 (3.2)
Hydromorphone 19 (1.7)
Loperamide 9 (0.8)
Oxymorphone 7 (0.6)
Naltrexone 5 (0.4)
Miscellaneousa 15 (1.3)
Class total 1118 (100)

aIncludes 3-methylfentanyl, desomorphine, naloxone, pentazocine, propoxyphene, remifentanil, tapentadol, and U47700 (designer opioid)