LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Drug toxicology   LP7790-1

Drugs   LP18046-0

Controlled substances and drugs of abuse   LP31448-1

Narcotics   LP18149-2

Synthetic opioids   LP411610-1

LOINC Hierarchy


Select the title to see children of the section (▸) or the LOINC code. Select a code to view information about the section/code.

▸ Beta hydroxythiofentanyl   LP411435-3

▸ Synthetic opioids | Urine | Drug toxicology   LP446961-7

▸ 2-methyl AP-237   LP433494-4

▸ 3-Methylfentanyl   LP411437-9

▸ 4-Fluorobutyrylfentanyl   LP411432-0

▸ p-Fluorofentanyl   LP411415-5

▸ 4-Methoxybutyrylfentanyl   LP411412-2

▸ Acetyl norfentanyl   LP248692-8

▸ Acrylfentanyl   LP411430-4

▸ Brorphine   LP433488-6

▸ Butyrylfentanyl   LP411429-6

▸ Furanylfentanyl   LP411433-8

▸ Valerylfentanyl   LP411418-9

▸ 4-Methylphenethylacetylfentanyl   LP411434-6

▸ Metonitazene   LP433489-4

▸ Norcarfentanil   LP411413-0

▸ Ocfentanil   LP411414-8

▸ IC-26   LP411325-6

▸ MT-45   LP411327-2

▸ U-47700   LP411333-0

▸ AH-7921   LP411334-8

▸ AH-8529   LP411328-0

▸ AH-8533   LP411329-8

▸ Nor-W-18+Nor-W-15   LP411324-9

▸ W-15   LP411322-3

▸ W-18   LP411321-5

▸ W-19   LP411323-1


Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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