LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Drug toxicology   LP7790-1

Drugs   LP18046-0

Respiratory - upper and lower - drugs   LP31443-2

Bronchodilators   LP31460-6

Theophylline   LP16288-0

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.

▸ Theophylline free   LP207766-9

▸ Theophylline | Blood | Drug toxicology   LP391493-6

▸ Theophylline | Body fluid | Drug toxicology   LP391494-4

▸ Theophylline/Creatinine   LP287223-4

▸ Theophylline | Cerebrospinal Fluid | Drug toxicology   LP391495-1

▸ Theophylline | Gastric fluid | Drug toxicology   LP391496-9

▸ Theophylline | Saliva | Drug toxicology   LP391497-7

▸ Theophylline | Serum or Plasma | Drug toxicology   LP391498-5

▸ Theophylline | Urine | Drug toxicology   LP391499-3


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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