Test Overview
Test Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reference Range *

0.10 - 2.20 ng/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Testing of non-fasting specimens or use of vitamin K1 supplementation can result in elevated serum vitamin K1 concentrations.

Test Details
Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

Soft Order Code
VITK
MiChart Code
Vitamin K (Sendout)
Synonyms
  • VITK
  • Vitamin K1 Level
Laboratory
Sendout
Reference Laboratory
Mayo VITK1
Section
Special Testing
Specimen Requirements
Collection Instructions

Patient should abstain from alcohol for 24 hours prior to specimen collection. Collect specimen in a red top (preferred) or SST tube from a fasting patient (12-hour fast). Centrifuge, aliquot serum into a plastic vial and refrigerate.

Special Handling

Fasting specimen.

Normal Volume
2 mL serum
Minimum Volume
0.75 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
84597
Fee Code
37992
NY State Approved
No
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