Test ID: Z1042
CPT code: 84597
LOINC: 9622-2
Specimen Type: Lav (EDTA) plasma, preferred.
Frequency: 4 – 6 days
Instructions: 1.0 mL Plasma from Lav (EDTA), Frozen, Light Protected. Min 0.5 mL.
Text: For the assessment of vitamin K deficiency. Vitamin K deficiency may be induced by obstructive liver disease, obstructive icterus, malabsorption due to celiac disease, pancreatitis, diarrhea, and antibiotic abuse; may be used to treat blood clotting disorders, bone metabolism disorders, and hemorrhagic disorders of newborns.
Methodology: Liquid chromatography/tandem mass spectrometry (LC/MS-MS) [3]