LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Chemistry and Chemistry - challenge   LP343631-0

Chemistry - non-challenge   LP7786-9

Amino acids   LP18033-8

Histidine   LP15637-9

Histidine | Urine | Chemistry - non-challenge   LP384013-1

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.

  2424-0

  26808-6

  25926-7

  25440-9

  2423-2

  2422-4

  27904-2

  44372-1

  56683-6

  25927-5

  13757-0

  30047-5

  22703-3


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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