** 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.