Digoxin, Unbound, Serum or Plasma

TEST: 790952
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CPT: 80163
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Synonyms

  • Digitek®
  • Digox®
  • Lanoxin®

Expected Turnaround Time

2 - 5 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Serum or plasma

Volume

3 mL

Minimum Volume

1.2 mL

Container

Red-top tube or green-top (heparin) tube

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. Specimen is stable for three days at room temperature, for two weeks refrigerated, and for six months frozen.

Causes for Rejection

Gel-barrier tubes

Test Details

Use

Therapeutic drug management; management of digoxin overdose post Digibind®

Methodology

Ultrafiltration; immunoassay (IA)

Reference Interval

0.3−1.5 ng/mL

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
790952 Digoxin, Unbound 3562-6 790955 Digoxin, Unbound ng/ml 3562-6
790952 Digoxin, Unbound 3562-6 790957 Digoxin, Unbound N/A

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The LOINC® codes are copyright © 1994-2021, 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