Vitamin K1

Tube Type = Red Top

Tube Type

Test ID   LAB1110
EPIC Order   VITAMIN K
CPT Code(s)   84597
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 6 mL blood/red plain tube/gold SST also acceptable; PROTECT FROM LIGHT, See Comments
Micro: 2.3 mL blood PROTECT FROM LIGHT
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 4 - 6 days
Reference Range Normal: See separate report
Comments
  • Fasting (12-14 hours; infants prior to next feeding) sample recommended.
  • Specimen must be spun and aliquoted into an amber tube within 2 hours of collection.

Reviewed by J. Carr on May 06, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514