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HelpTest Code DIGO Digoxin
Useful For
Assessing the level of digoxin, a potent cardiac glycoside widely prescribed for the treatment of patients suffering from congestive heart failure, in the bloodstream.
Specimen Information
Obtain specimen using standard phlebotomy techniques.
No special patient preparation is necessary.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4 mL | 1 mL | 0.5 mL | 7 Days |
| Lithium Heparin | Plasma | Refrigerate | 4 mL | 1 mL | 0.5 mL | 7 Days |
Reject Due To:
- Moderate or Marked Hemolysis
- Specimen unlabeled or mislabeled
Per NMC Pharmacy:
Patients should be on the drug for 5 - 7 days (assuming normal kidney function) to achieve steady state prior to collection. Serum concentrations should be collected just prior to the next dose or at a minimum of 6 - 8 hours after the last dose (optimally 12 - 24 hours after a dose).
Instrumentation / Method
Ortho Vitros XT 7600 / Multi-point Immuno-rate
Test Schedule / Analytical Time / Test Priority
Daily / Same Day / Available STAT
Reference Range
Male and Female:
Therapeutic Concentration for A Fib: 0.8 - 2.0 ng/mL
Therapeutic Concentration for CHF: 0.5 - 1.0 ng/mL
Toxic: >2.5 ng/mL
Critical Value(s):
>2.2 ng/mL
CPT / LOINC / Order Code
| Meditech | Medent | LOINC | CPT |
| DIGOS | DIGOS | 83093-5 | 80162 |