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Test Code BLOD0219 Vitamin K1, Serum

Important Note

Patient must fast for 12-14 hours prior to collection. For infants, draw prior to next feeding.

Additional Codes

Mayo Test Code: VITK1

Useful For

Assessment of circulating vitamin K1 concentration

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).


Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 30 days
  Ambient  30 days
  Frozen  30 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild reject; Gross reject

Icterus

Mild OK; Gross OK

Other

NA

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 Medical Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

84597