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HelpTest Code VITK1 Vitamin K1, Serum
Secondary ID
42364Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Specimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Fasting overnight (12-14 hours) (infants-draw prior to next feeding).
UChicago Medicine Medical Laboratories
Note:
Offsite Ordering Instruction:
Protect from light
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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Reference Values
≥18 years: 0.10-2.20 ng/mL
<18 years: not established
Day(s) and Time(s) Performed
Monday through Friday; 4 p.m.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84597