PIVKA Vitamin K Test: Drugs That Raise or Lower Results
PIVKA-II rises with warfarin, antibiotics, certain cephalosporins, orlistat, and bile acid sequestrants, and falls with vitamin K. See how meds affect your result.
Vit K (Lab Test)
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May 27, 2026latest review
Vit K (Lab Test) library
Showing 8 of 8 clinical reviews.
Vitamin K (PIVKA-II) At-Home and Finger-Prick Testing Options
Everything you need to know about testing Vitamin K status with PIVKA-II, including at-home and finger-prick options, normal vs. Optimal ranges, and what your results mean for bone health and coagulation.
Vitamin K (PIVKA-II): How to Interpret Your Result
Learn what your PIVKA-II level means, what normal ranges look like, and what high or low results signal about vitamin K status, liver health, and coagulation.
Vitamin K (PIVKA-II): How Training and Exercise Change Your Levels
Learn how aerobic exercise, resistance training, and endurance sports affect Vitamin K status measured by PIVKA-II, the most sensitive functional marker of Vitamin K sufficiency for bone health and coagulation.
Vitamin K (PIVKA-II): Medication-Driven Changes Explained
How warfarin, antibiotics, statins, and other drugs shift PIVKA-II levels, what the normal and optimal ranges are, and how to interpret results in a clinical context.
Vitamin K (PIVKA-II): What This Test Actually Measures
PIVKA-II measures des-gamma-carboxy prothrombin, an abnormal protein that rises when vitamin K is deficient or liver function is impaired. Learn normal ranges, what high and low results mean, and how clinicians use this test for coagulation, bone health, and hepatocellular carcinoma screening.
Vitamin K (PIVKA-II): When to Order This Test
Learn when clinicians order the PIVKA-II test, what normal ranges look like, and how results guide vitamin K status assessment, warfarin monitoring, and hepatocellular carcinoma screening.
Vitamin K (PIVKA-II): Which Tests to Order Alongside
A clinical guide to the lab panels that pair with PIVKA-II testing, covering coagulation markers, liver function, bone metabolism labs, and vitamin K status confirmation.