Test Code DIG.1 DIGOXIN
Methodology
Heterogeneous Competitive Immunoassay Measured by Reflective Spectrophotometry.
Useful for monitoring levels of digoxin, which is commonly prescribed to treat congestive heart failure by strengthening the contraction of heart muscle.
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Serum Gel Tube
Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum
volume: 0.5 mL) of serum
Collection Instructions:
- Draw blood just prior to next dose or at least 8 hours after last dose.
- Spin down within 4 hours of draw.
Alternate:
Serum
Plain, Red-Top Tube
Container/Tube:
Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum
volume: 0.5 mL) of serum
Collection Instructions:
- Draw blood just prior to next dose or at least 8 hours after last dose.
- Spin down within 4 hours of draw.
Note:
- Date and time of last dose and time of draw are required.
- Label specimen appropriately (serum).
Day(s) Test Set Up
Monday through Sunday
Reference Values
Therapeutic concentration: 0.8-2.0 ng/mL
Critical concentration (automatic call-back): >2.5 ng/mL
Performing Laboratory
Logan Health Medical Center-Chemistry
Test Classification and CPT Coding
80162
Specimen Transport Temperature
Refrigerate