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| Title | VITAMIN K |
| Specimen Requirement | <p>Patient should fast overnight for 12 hours.</p>
<p>Draw blood in a SST. Centrifuge, remove serum from cells within 1 hour of collection. Send 1.0 mL serum in an amber screw-capped vial. Indicate "serum/SST" on transport vial.</p>
<p><strong>PROTECT FROM LIGHT</strong></p> |
| Methodology | |
| Stability | Refrigerated 1 month, Frozen 6 months |
| Reference Range | By Report* |
| Turnaround | 3-7 days -- Sunday-Friday |
| Clinical Use | |
| Test Code | VKW |
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