Coumadin (Warfarin) Level
Order Name
Coumadin
Test Number: 3606450
Revision Date 08/31/2023
Test Number: 3606450
Revision Date 08/31/2023
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Coumadin (Warfarin) Level
|
HPLC/Tandem Mass Spectrometry | 4098-0 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.3 mL) | Serum | Clot Activator (Red Top, No-Gel) | Room Temperature |
| Alternate 1 | 1 mL (0.3 mL) | Plasma | EDTA (Lavender Top) | Room Temperature |
| Instructions | Specimen Type: Red-top tube,lavender-top (EDTA) tube DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Specimen Collection: Promptly centrifuge and separate serum or plasma into a plastic screw capped vial using approved guidelines. Specimen Stability: Ambient: 30 days, Refrigerated : 30 days, Frozen: 15 months |
|||
| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 3 - 4 days |
| Performing Labcorp Test Code | 832122 |
| CPT Code(s) | 80375 |
| Lab Section | Reference Lab |