Bilirubin, Fractionated
$17.50
Vitamin K
Vitamin K is a required co-factor for the synthesis of factors 2, 7, 9, and 10 and proteins C and S. Deficiencies of vitamin K lead to bleeding. Coumadin® (warfarin) acts as an anticoagulant because it is a vitamin K antagonist.
$129.00Price for members $64.50
Collection method: Blood
Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
Included Tests
How It Works
STEP 1
Order your tests online
- Easy and fast checkout
STEP 2
Visit a local Quest Diagnostics lab
- No follow-up required
- Results automatically uploaded to SelfDecode
STEP 3
Get your results and insights online
- Find out if your levels are in the optimal range
- Get easy-to-understand insights about your results
- Track your levels over time