Digoxin
Test Mnemonic
DIG
CPT Codes
- 80162 - QTY (1)
Aliases
- Lanoxin
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
In Vitro Diagnostic
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Lithium heparin (Green) | Frozen | Do not collect in a gel separator tube. Centrifuge and transfer plasma to a CCL tube and freeze. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer plasma to a CCL tube and refrigerate. Freeze if storage/transportation time exceeds 24 hours. | |
| 1 mL | Serum | No additive (Red) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer serum to a CCL tube and refrigerate. Freeze if storage/transportation time exceeds 24 hours. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 24 hours |
| Refrigerated | After separation from cells: 4 days |
| Frozen | After separation from cells: 1-2 weeks |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Kinetic Interaction of Microparticles in a Solution |
Reference Range
| Digoxin | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 0.6 - 1.2 | ng/mL | Years | 99 Years | Urgent | > 3.0 | ng/mL |
Special Info
Do not collect in a gel separator tube. A specimen should be collected at least 6 to 8 hours after drug administration. By this time, serum digoxin levels are expected to be in equilibrium with tissue levels and should correlate with pharmacologic effects.
Clinical Info
Evaluation and monitoring of therapeutic drug levels