Alert

Digoxin

Red top tube and blue top

Tube Type

Test ID   LAB23
EPIC Order
  DIGOXIN LEVEL
CPT Code(s)   80162
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   STAT: 888; Routine: 30
Specimen
Routine:
micro:
7 mL blood/royal blue top tube or plain red top tube; see Comments for important information
300 µL blood/red top (no gel) pediatric bullet
Stability Unspun:
Unspun: < 4 hours recommended
  Spun/Separated:
Room temperature: 8 hours
 
Refrigerator: 1 week
 
Frozen: 6 months
Availability Routine: 24 hrs/day
  STAT: Yes
Turnaround Time   STAT: 1 hour; Routine: 2 hours
Reference Range Therapeutic: 0.8-2.0 ng/mL (collected 6 hr after dose)
  Critical: >2.0 ng/mL
Comments
Red Top Pediatric Tubes must NOT contain Serum Separator Gel.
Collection information: Digoxin samples should be drawn 6 - 8 hours after dose.
 
This test should not be ordered on patients receiving Digibind.
Patients receiving Digibind should be monitored using Free Digoxin levels.
Call Referral Testing for more information at (984)974-1414.

Reviewed by J. Carr on December 13, 2023

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514