LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Chemistry and Chemistry - challenge   LP343631-0

Chemistry - non-challenge   LP7786-9

Electrolytes - single valence   LP19403-2

Sodium   LP15099-2

Sodium | Urine | Chemistry - non-challenge   LP386653-2

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.

  57370-9

  18377-2

  58994-5

  53122-8

  21526-9

  21527-7

  21525-1

  2956-1

  26763-3

  57382-4

  74685-9

  18376-4

  2955-3

  35678-2

  32553-0

  13809-9

  56980-6

  44405-9

  11149-2

  43223-7

  33951-5

  44406-7

  2959-5


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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