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 | Urine | Drug toxicology   LP389991-3

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.

  3775-4

  3774-7

  16246-1

  104628-3

  113845-2

  113843-7

  70147-4

  3773-9

  16199-2

  113817-1

  113815-5

  113813-0

  113812-2

  113810-6

  113808-0

  19550-3

  70148-2

  70149-0

  52958-6

  78857-0

  19553-7

  19552-9

  41466-4

  78770-5


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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