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Test Code VITK1 Vitamin K1, Serum

Important Note

Use Sunquest code VITKS to order

Secondary ID

42364

Method Name

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

Specimen Type

Serum


Specimen 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