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 Field Name  Data Description
Test Name  Digoxin (Lanoxin)
Code  DIG
CPT Code  80162
Last Modified  4/29/2015 1:14:00 PM
Test Name  DIGOXIN ASSAY (3050)
Synonyms  LANOXIN, DIG
Patient Preparation  
Spec. Requirements  Blood
Tube  Lt. Green or Gold
Collection Volume  3.0 mL Lt Green or 3.5 mL Gold
Storage  Analyze fresh samples. 2-8C - 2 days, >= -20C - 7 days
Routine TAT  4 hours
STAT TAT  50 Minutes
Days Test Performed  Daily
Performed by BHS  All Hospitals
See Availability  All shifts
Reference Lab  N/A
Reference Lab Code  
Clinical Use  Cardiac glycoside used to treat cardiac arrhythmias.
Reference Range  Therapeutic Level: 0.8 - 2.0 ng/mL
Critical Value  >= 2.1 ng/mL
Component  Digoxin
Reference Range  0.8-2.0 ng/ml
Critical Value  >2.0 ng/ml
Testing Sample Type  Plasma or Serum
Min Lab Testing Volume  0.5 mL (0.2 mL)
Special Handling  Samples should be drawn 12 hours after oral administration of Digoxin or 6 hours after IV administration.
Lab Notes  If sample is collected in a gelled tube, sample cannot be used for any TDM / Drug assays if not separated from the gel within 24 hours of collection.
Methodology  Turbidimetric inhibition immunoassay
Limitations  Digibind therapy can interfere with this assay.

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