Laboratory Procedure
theophylline assay
the·o·phyl·line as·say
Definitions related to theophylline assay:
  • (theophylline) A measurement of the Theophylline present in a biological specimen.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • (theophylline measurement) The determination of the amount of theophylline present in a sample.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Theophylline is a methylxanthine, a class of molecule similar to the xanthines caffeine and theobromine found in a normal diet. It has a half-life of 8 hours in a healthy person but decreases to 4-5 hours in people who smoke.
    Medscape
    WebMD, 2019
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