Vitamin K1, Serum
0099225
Ordering Recommendation
Use for nutritional assessment of vitamin K1.
Mnemonic
VIT K
Methodology
Quantitative High Performance Liquid Chromatography
Performed
Sun-Fri
Reported
2-5 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
- Patient Preparation
- Patient should fast overnight for 12 hours and should not consume alcohol for 24 hours prior to blood draw.
- Collect
- Plain red or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA).
- Specimen Preparation
- Protect from light during collection, storage, and shipment. Separate serum or plasma from cells within 1 hour of collection. Transfer 1 mL serum or plasma to an ARUP Amber Transport Tube. (Min: 0.6 mL)
- Storage/Transport Temperature
- Frozen. Separate specimens must be submitted when multiple tests are ordered.
- Unacceptable Conditions
- Any specimen other than serum or EDTA plasma. Hemolyzed specimens.
- Remarks
- Stability
- After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 6 months
Reference Interval
0.22-4.88 nmol/L
Interpretive Data
Vitamin K concentration is reported as nanomoles per liter (nmol/L). To convert concentration to nanograms per milliliter (ng/mL), multiply the result by 0.45.
Compliance Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
Note
CPT Code(s)
84597
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0099225 | Vitamin K1 | 9622-2 |
Aliases
- K1, Vitamin
- Phylloquinone
- phytonadione