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HelpTest ID VITK1 Vitamin K1, Serum
Specimen Required
Patient Preparation: Fasting overnight (12-14 hours) (infants-collect prior to next feeding).
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial within 2 hours of collection.
Useful For
Assessing circulating vitamin K1 concentration
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Vitamin K1, SSpecimen Type
SerumSpecimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 30 days |
| Ambient | 30 days | |
| Frozen | 30 days |
Reference Values
<18 years: Not established
≥18 years: 0.10-2.20 ng/mL
Day(s) Performed
Monday through Thursday
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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.LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VITK1 | Vitamin K1, S | 9622-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 62167 | Vitamin K1, S | 9622-2 |
CPT Code Information
84597