Test Code DIG Digoxin LAB23
Test Method
Particle Enhanced Turbidimetric Inhibition Immunoassay;
Beckman
DXC600
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
Specimen Requirement
0.5 mL serum or plasma is required.
CPT Code Information
80162: Therapeutic Drug Levels Digoxin
Reference Values
0.8-2.0 ng/mL
-
Toxic Level: >2.5 ng/mL
LOINC Code Information
10535-3 Digoxin [Mass/Volume] In Serum Or Plasma
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.