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Digoxin
MessageSerum half-life is 30 - 45 hours
Performed in the Chemistry laboratory x5820.
10.2018
Performed in the Chemistry laboratory x5820.
10.2018
Test Code
DIG
CPT Codes
80162
Preferred Specimen
Plasma from a green top (PST) tube
Minimum Volume
1 mL
Instructions
Therapeutic monitoring: TROUGH: collect just prior to next dose. May also be collected within 6 - 8 hours after IV dose or oral dose.
Draw specimen at steady state reached at approximately 5 - 7 days.
Draw specimen at steady state reached at approximately 5 - 7 days.
Transport Container
Green Top (PST) tube
Transport Temperature
Room temperature
Specimen Stability
No Add-On
Methodology
Chemiluminescent microparticle immunoassay (CMIA on the Architect i 2000)
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Limitations
Digibind drug therapy affects immunoassay results
Reference Range
Therapeutic range: 0.8 - 2.0 ng/mL
Critical alert value: ≥ 3 ng/mL
Critical alert value: ≥ 3 ng/mL
Clinical Significance
This test is used to monitor compliance, assess clinical effectiveness, or determine toxicity.
