Test ID BLOD0219 Vitamin K1, Serum
Useful For
Assessment of circulating Vitamin K1 concentration
Specimen Type
SerumShipping Instructions
Ship specimen in amber vial or wrapped to protect from light.
Specimen Required
Patient Preparation:
Fasting: 12 hours, required; Infants should have specimen collected before next feeding
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Amber vial
Specimen Volume: 2 mL Serum
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For red-top tubes:
Preferred: Immediately aliquot serum into an amber or light-protected plastic vial.
Acceptable: Serum may be on whole blood cells a maximum of 2 hours before aliquoting. Protect the collection tube from light.
3. For serum-gel tubes:
Preferred: Immediately aliquot serum into an amber or light-protected plastic vial.
Acceptable: Serum may be aliquoted into an amber or light-protected plastic vial within 24 hours of collection when kept at ambient temperature and protected from light or within 7 days of collection if kept refrigerated and protected from light.
Specimen Minimum Volume
Serum: 0.75 mL
Reject Due To
| Gross hemolysis | OK |
| Lipemia | Reject |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days | |
| Ambient | 24 hours |
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84597
Secondary ID
42364Reporting Name
Vitamin K1, SReference Values
<18 years: Not established
≥18 years: 0.10-2.20 ng/mL
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.
SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 5243 | Vitamin K1 |