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

Methadone   LP15015-8

Methadone+Metabolite   LP36029-4

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.

▸ Methadone+Metabolite | Body fluid | Drug toxicology   LP389997-0

▸ Methadone+Metabolite | Hair | Drug toxicology   LP389998-8

▸ Methadone+Metabolite | Meconium | Drug toxicology   LP389999-6

▸ Methadone+Metabolite | Saliva | Drug toxicology   LP390000-0

▸ Methadone+Metabolite | Serum or Plasma | Drug toxicology   LP390001-8

▸ Methadone+Metabolite | Serum, Plasma or Blood | Drug toxicology   LP390002-6

▸ Methadone+Metabolite | Tissue and Smears | Drug toxicology   LP390003-4

▸ Methadone+Metabolite | Urine | Drug toxicology   LP390004-2


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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