Laboratory Medicine

Test catalogue

Digoxin
Test Name Digoxin (Lanoxin)
Specimen Type / Requirements Container Type = 1 Red Top Minimum Testing Volume = 1mL Serum Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect sample in red top tube. Avoid gold top (SST). To obtain steady-state serum digoxin concentrations, blood samples should be drawn 6–8 hours after the daily dose or just prior to the next scheduled dose. Write your initials, date and time of collection on the collection label or requisition. Laboratory Staff Instructions Separate samples from cells within 2hrs of collection. Rejection Criteria: Unlabeled or samples of non sufficient quantity. Stability: Stable at room temperature for 8hr, at 2°C-8°C for 2 days, and for 1 month at -15°C to -20°C .Thaw samples once only. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 4hrs	Test Utilization Routine
Reference Value Therapeutic: 1.3 – 2.6 nmol/L Toxic: > 3.5 nmol/L
Test Code DIG	Methodology Chemiluminesce Immunoassay
Testing Location SMH-Biochemistry	Other Information Last Updated: August 28, 2023

Digoxin

Test Name

Digoxin (Lanoxin)

Specimen Type / Requirements

Container Type = 1 Red Top

Minimum Testing Volume = 1mL Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in red top tube. Avoid gold top (SST). To obtain steady-state serum digoxin concentrations, blood samples should be drawn 6–8 hours after the daily dose or just prior to the next scheduled dose. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions Separate samples from cells within 2hrs of collection.

Rejection Criteria: Unlabeled or samples of non sufficient quantity.

Stability: Stable at room temperature for 8hr, at 2°C-8°C for 2 days, and for 1 month at -15°C to -20°C .Thaw samples once only.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

4hrs

Test Utilization

Routine

Reference Value

Therapeutic: 1.3 – 2.6 nmol/L

Toxic: > 3.5 nmol/L

Test Code

DIG

Methodology

Chemiluminesce Immunoassay

Testing Location

SMH-Biochemistry

Other Information

Last Updated: August 28, 2023