Ephedrine, Serum or Plasma

CPT: 80324
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Test Details

Synonyms

  • White Cross

Use

Therapeutic drug management; detect presence of ephedrine

Methodology

Gas chromatography/electron capture detection (GC/EC)

Reference Interval

35−80 ng/mL

Specimen Requirements

Specimen

Serum or plasma, protect from light

Volume

3 mL

Minimum Volume

0.6 mL

Container

Red-top tube or green-top (heparin) tube. Gel-barrier tubes are not recommended.

Patient Preparation

Trough levels are most reproducible.

Collection

Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen. Protect from light.

Causes for Rejection

Gel-barrier tubes; specimen not light-protected

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
808423 Ephedrine 3591-5 808163 Ephedrine ng/ml 3591-5
808423 Ephedrine 3591-5 808425 Ephedrine N/A

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The LOINC® codes are copyright © 1994-2017, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf