Vitamin K Assay- Blood (Test Code 4043)

Vitamin K is a fat-soluble vitamin that functions as a cofactor in the production of blood coagulation factors (in the liver), osteocalcin (in bone), and matrix Gla-proteins (in cartilage and vessel walls), each resulting in the deposition of ionic calcium.


• Vitamin K- Undercarboxylated osteocalcin

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Turnaround Time:7 business days

Patient Brochure

Monitoring vitamin K can help reduce risk of osteoporotic bone fractures, cardiovascular disease, and possibly some cancers by identifying individuals who may have a vitamin K deficiency. The Vitamin K assay can be ordered as an individual marker or can be order with a fat soluble vitamin profile test code 4042.

Common Conditions:

  • Bruising
  • Epistaxis
  • Fractures
  • Gastrointestinal bleeding
  • Menorrhagia
  • Nosebleeds
  • Anaemia
  • Osteopenia/Osteoporosis




NutriPATH practices in the usual practitioner-referral system for pathology laboratories. Patients are highly recommended to seek the supervision and guidance of a qualified healthcare practitioner for the interpretation of any lab results and associated information. NutriPATH can offer assistance in locating a suitable practitioner.



Undercarboxylated Osteocalcin (Vit K)