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Vitamin K1, Serum, Mayo, RefLab

Alternate Names
VITK1
Phylloquinone

Phytonadione

Mephyton

Phytomenadione

Synthex

Konakion
SoftLab Order Code
VITKM
Epic Order Name
Vitamin K1, Serum, Mayo, RefLab
Epic Order ID
LAB4300
Laboratory

Reference Lab

Sample Type
Serum
Collection Container

Plain Red Top

Alternative Collection Container

Any serum gel tube (RST orange, SST gold, Red/Black)

Collecting Volume
4.0 mL
Minimum Collecting Volume
1.5 mL
Storage or Stability
Refrigerated (stable 30 days ambient)
Causes for Rejection
Lipemia
Patient Preparation

Infants should have specimen collected before next feeding

Instructions

1. Within 2 hours of collection, centrifuge the specimen.

2. For red top tubes, immediately aliquot serum into an amber vial (preferred). Serum may sit on whole blood cells up to a maximum of two hours before aliquoting.

3. For serum gel tubes, immediately aliquot serum into an amber vial (preferred). Serum may sit on gel at ambient temperature for a maximum of 24 hours or refrigerated for a maximum of 7 days before aliquoting.

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