Vitamin K1, Serum VITK1
Method(s) | High Performance Liquid Chromatography |
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Specimen Required | |
Collect | One 6 mL plain red or one gold (SST) top tube. Also acceptable: lavender (EDTA) or pink (K2EDTA) top tubes. |
Transport | 1 mL serum or plasma, CRITICAL FROZEN in an amber standardized transport tube. (Min: 0.6 mL) PROTECT FROM LIGHT. |
Remarks | **SPECIAL HANDLING**
|
Stability | Separate serum or plasma from cells within one hour of collection. After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 6 months |
Schedule | Sun-Fri |
Billing Code | 5010611 |
CPTCode | 84597 |
Notes | Draw sample following an overnight (12-hour) fast. Patient should not consume alcohol for one day prior to blood draw. |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
0.22-4.88 nmol/L |