Vitamin K1 Blood Test
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.
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:
- Turnip greens
- Swiss chard
- Brussels sprouts
- 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:
- Crohn's disease
- Celiac disease
- Inflammatory bowel disease (IBD)
- 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
Trusted, Secure, & Confidential
Shop All Tests