Vitamin K Test

Vitamin K Test

Vitamin K Test, Vitamin K is an important fat-soluble vitamin. Vitamin K is also called clotting vitamin which helps in clotting the blood after an injury. Our body stores vitamin K in the bone, heart, liver, and Pancreas. The Vitamin K test is used to identify the rate of bleeding in a prothrombin time (PT). It also measures how long your blood takes to clot.

The function of vitamin K:

Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones. It plays an important role in bone metabolism and regulating blood calcium Levels.

Types of vitamin K:

  • Vitamin K 1
  • Vitamin K 2

Vitamin K 1:

Vitamin K 2:

  • Vitamin K2 is also called menaquinone.
  • It is naturally produced by the bacteria in the large intestine.

Diet Rich Vitamin K:

  • Cauliflower
  • Spinach
  • Broccoli
  • Green Apples
  • Kiwi
  • Green Grapes
  • Green beans
  • Eggs
  • Cheese
  • Olive oil, Liver, and Cucumber

Vitamin K Deficiency Symptoms:

Normal Range Of Vitamin K:

The normal range of vitamin K is 0.2-3.2ng/ml

Causes Of High Vitamin K:

  • Vitamin K intoxication (Very Rare)
  • Due to the high dose of Vitamin K
  • Taking High Vitamin levels in food

Causes of Low Vitamin K in Blood:

  • Cystic Fibrosis
  • Celiac Disease
  • Liver Disorder
  • Gall Bladder Disorder
  • Partial Removal of Intestine
  • Use of warfarin and Antibiotics
  • Use a Diet low in vitamin K

How to perform the Test:

A blood sample is needed.

Vitamin K Test


Collect 3 to 5 ml blood samples in EDTA Tube, Green Top, or Black Top Tube for the Vitamin K test and 3 to 5 ml blood in the Blue Top tube. Centrifuge the blood sample separate serum from plasma After centrifugation and use plasma or serum for the test. Then, use it for advanced machinery and find out the value of the Vitamin K test.

Treatment of Low Vitamin K Deficiency:

Phytonadione (oral or injectable).

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