** NOTE: All laboratory testing requires an authorizing physician. DHA Laboratory offers a patient direct program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email. **
A deficiency of Vitamin K1 may be induced by obstructive liver disease, obstructive icterus, malabsorption due to celiac disease; This test may be ordered in the assistance of treating blood clotting disorders, bone metabolism disorders, and hemorrhagic disorders of newborns.