Phylloquinone
10 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS) 3
0.10 – 2.20 ng/mL
Accredited Laboratory Partner
Contact Technical Support
Essential for coagulation. Deficiency causes bleeding.
Serum or Plasma, protected from light
1 mL
EDTA (lavender-top) Plasma, preferred. Also acceptable are lithium heparin (green-top) Plasma, gel-separated (SST) Serum, and standard (red-top) Serum.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Protected from light
| Temperature | Period |
|---|---|
| Room temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
| Freeze/thaw cycles | Stable x3 |