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Test Code Dig Digoxin Level

Useful For

Congestive heart failure and various disturbances of cardiac rhythm

Patient Preparation

No special patient preparation required

Special Collection Instructions

Specimen should be collected at least 6-8 hours after drug administration.

Collection Method

Venous collection

Minimum Volume

  • Adults: 1 mL
  • Pediatric: 0.6 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST

  • Red Top

Plasma:
  • Light Geen Top (lithium heparin)
  • Purple(K2 EDTA)

Reference or Target Ranges

6-8 hours after dosing 0.6 – 1.2 ng/mL

Reportable Units

ng/mL

Critical Value

>2.4 ng/mL

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 1000 mg/dL
Icterus Threshold
 60 mg/dL
Lipemia Threshold
 850 mL
Other
 QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
 6 hours
Refrigerated (4°C to 8°C)
 24 hours
Frozen(-40°C to 0°C)
 2 weeks

Performance Information



<!-- Performance information -->
Days and Time Performed
 24/7
Expected Turn Around Time
 Stat: 1 hour
Routine: 4 hours
Stat Availability
 Yes
Performing Bench
 UH Chemistry
Methodology/Method Description
 Roche Cobas – KIMS assay

CPT Codes

80162