Test Code COUMAM Warfarin, Plasma
Additional Codes
MAYO: FWARP
EPIC: LAB2388
Specimen Required
Container/Tube: EDTA (lavender top) or Pink top
Specimen Volume: 3 mL
Draw blood in EDTA (lavender top) or Pink top tube(s) (Plasma gel tube is not acceptable.) Spin down and send 1 mL of plasma refrigerate in preservative-free plastic vial.
Secondary ID
75517Method Name
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reporting Name
Warfarin, PlasmaSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Plasma EDTA | Refrigerated (preferred) | 30 days | |
Ambient | 30 days | ||
Frozen |
Reject Due To
Hemolysis | NA |
Lipemia | NA |
Icterus | NA |
Other | Polymer gel separation tube (SST or PST) |
Reference Values
0.2 mcg/mL
The reported value may vary based on dilution or weight of the specimen.
Day(s) Performed
Monday-Sunday
Report Available
8 to 12 daysPerforming Laboratory
NMS LabsCPT Code Information
80375
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
FWARP | Warfarin, Plasma | 4098-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
Z5526 | Warfarin | 4098-0 |