LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Chemistry and Chemistry - challenge   LP343631-0

Chemistry - challenge   LP7784-4

Endocrine   LP31396-2

Thyroid Hormones-   LP31666-8

Thyroxine   LP15900-1

Thyroxine | Serum or Plasma | Chemistry - challenge   LP387146-6

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.

  90796-4

  12931-2

  90797-2

  12923-9

  90798-0

  12924-7

  90799-8

  12925-4

  12926-2

  90800-4

  12927-0

  12928-8

  12929-6

  12930-4

  27891-1


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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