Test Code DIG Digoxin LAB23
Test Method
Particle Enhanced Turbidimetric Inhibition Immunoassay;
Beckman
DXC600
Specimen Requirement
0.5 mL serum or plasma is required.
Additional Specimen Collection Information
Collect blood in a lithium heparin, green-top or
red-top tube. Serum and plasma gel tubes are NOT
acceptable.
Recommended collection time is at least 8 hours after the last
dose
of medication. Serum or plasma should be separated from contact
with cells within 2 hours of collection. Specimens not
centrifuged
within 4 hours of collection may be rejected. Refrigerate
specimen
if unable to assay within 8 hours of collection. Samples with
>4+ lipemia should be cleared prior to analysis.
Reference Values
0.8-2.0 ng/mL
-
Toxic Level: >2.5 ng/mL
Performance
Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the
specimen arrives at the testing site.
Expedite: Typically completed within 4 hours after the
specimen
arrives at the testing site.
STAT: Typically completed within 40 minutes after the
specimen arrives at the testing site.
Useful For
Monitoring digoxin therapy
LOINC Code Information
10535-3 Digoxin [Mass/Volume] In Serum Or Plasma
CPT Code Information
80162: Therapeutic Drug Levels Digoxin