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HelpTest Code VITK1 Vitamin K1, Serum
Specimen Required
Patient Preparation: Fasting overnight (12-14 hours) (infants-collect prior to next feeding).
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Children's Mercy Hospital
Note:
CMH COLLECTION: 3 mL in red gel vacutainer
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 30 days | |
| Ambient | 30 days | ||
| Frozen | 30 days |
Useful For
Assessing circulating vitamin K1 concentration
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysReporting Name
Vitamin K1, SReference Values
<18 years: Not established
≥18 years: 0.10-2.20 ng/mL
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84597