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HelpTest Code LAB8655 Apixaban, Plasma
Additional Codes
FAPIX
Specimen Required
***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***
Specimen Type: Plasma
Collection Container/Tube: Lavender top or pink top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions:
1. Draw blood in an EDTA (lavender top or pink top) tube(s). Plasma gel tube is not acceptable.
2. Centrifuge and send 2 mL of plasma refrigerated in a preservative-free plastic vial.
Secondary ID
75395Method Name
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Specimen Type
Plasma EDTASpecimen Minimum Volume
0.7 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Refrigerated (preferred) | 29 days | |
| Ambient | 29 days | ||
| Frozen | |||
Reject Due To
| Other | Polymer gel separation tube (SST or PST) |
Reference Values
Reporting limit determined each analysis.
Mean peak plasma concentrations of apixaban following a single oral administration of 5, 10, 25, or 50 mg oral tablets are as follows:
5 mg: 104.7 ng/mL (range, 79.7 to 129.7)
10 mg: 176.3 ng/mL (range, 134.3 to 218.3)
25 mg: 365.1 ng/mL (range, 348.1 to 382.1)
50 mg: 685.2 ng/mL (range, 663.2 to 707.2)
Interpretation
In a study of 1691 patients taking apixaban, doses ranging from 2.5 mg twice a day to 20 mg once a day, apixaban plasma concentrations ranged from 1 to 933 ng/mL, with a median value of 105 ng/mL.
Day(s) Performed
Monday - Sunday
Report Available
9 to 11 daysPerforming Laboratory
NMS LabsCPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FAPIX | Apixaban, Plasma | 74218-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z3530 | Apixaban | 74218-9 |