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Walk-in-lab Lab Test: Vitamin K1 Blood Test

Vitamin K1 Blood Test

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The Vitamin K Blood Test measures vitamin K levels in the blood to screen for a vitamin K deficiency and assess the risk of blood clotting, bone metabolism, and hemorrhagic disorders.

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What is the purpose of this test?

Order this Vitamin K Blood Test measures vitamin K levels in the blood to screen for a vitamin K deficiency and assess the risk of blood clotting, bone metabolism, and hemorrhagic disorders. Vitamin K plays an important role in the formation of coagulation factors, which are substances that help the blood form clots to prevent excessive bleeding. It is also believed to play a role in preventing bone loss.

 

Vitamin K is obtained from the foods we eat, such as:

 

  • Kale
  • Turnip greens
  • Swiss chard
  • Lettuce
  • Brussels sprouts
  • Broccoli
  • Cauliflower
  • Cabbage
  • Fish
  • Liver
  • Meat
  • Eggs
  • Fortified cereals

 

In addition, some vitamin K is also made by the good bacteria in the lower intestinal tract. However, individuals with malnutrition, intestinal malabsorption problems from cancer or kidney disease, or undergoing long-term treatment with antibiotics are at high risk of developing a vitamin K deficiency.

 

What causes vitamin K deficiency?

Although a vitamin K deficiency is rare, several conditions may affect vitamin K levels. Vitamin K deficiency most commonly affects individuals with malnutrition or intestinal malabsorption issues. Vitamin K deficiency may be caused by conditions such as:

 

  • Malnutrition
  • Crohn's disease
  • Celiac disease
  • Inflammatory bowel disease (IBD) 
  • Diabetes
  • Chronic kidney disease
  • Liver disease
  • Cystic fibrosis
  • Certain drugs (coumarin anticoagulants, cholestyramine, salicylates, rifampin, and barbiturates)

 

When should I order a Vitamin K Blood Test?

Individuals may order this test if they have experienced symptoms related to a vitamin K deficiency. Common symptoms of vitamin K deficiency include:

 

  • Excessive bleeding and easy bruising
  • Heavy menstrual bleeding
  • Decreased ability to fight infection and heal wounds
  • Weakened or brittle bones
LC Sample ReportQD Sample Report
Test Code(s):

121200, 36585

Also Known As:

Phylloquinone; Phytonadione

Specimen:

Blood

Preparation:

No special preparation is required.

Test Results:

10 days. May take longer based on weather, holiday, or lab delays.


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