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Assessment of vitamin K levels to assist in diagnosing bleeding disorders where etiology is unknown, identify vitamin toxicity, and evaluate symptoms related to chronic antibiotic use.
Serum collected in a red-top tube.
(Method: High-performance liquid chromatography)
|Conventional Units||SI Units (Conventional Units × 2.22)|
|0.13–1.19 ng/mL||0.29–2.64 nmol/L|