What Is Ascorbic Acid In Urine Test

A much better approach however is to use a test which is by design largely resistant to ascorbic acid.

What is ascorbic acid in urine test. Occasionally people taking vitamin c or multivitamins may have large amounts of ascorbic acid in their urine. We have to do certain preparations for the vitamin c ascorbic acid test. All the information content and live chat. Since oxalate is a part of common kidney stones calcium oxylate some have suggested that high doses of vitamin c will cause kidney stones.

Urine samples with positive ascorbic acid were excluded from the accuracy testing. As little as 5mg dl can disturb the glucose and blood assay in low concentrations. We should not eat food rich in vitamin c before the test. We compared five very common 10 parameter urine test strips from different manufacturers.

Ascorbic acid in urine test food that contains ascorbic acid ascorbic acid in skin care face cream with ascorbic acid download here free healthcaremagic app to ask a doctor. Ascorbic acid interference was tested for bilirubin hemoglobin glucose and nitrite for both tested dipsticks. The center has a thirty year history of treat ing patients with vitamin c sometimes. Urine unchanged as ascorbic acid as dehy droascorbic acid 2 3 diketogluconic acid and oxalic acid.

Ascorbic acid the glucose and blood test must be repeated if the ascorbic acid reaction is positive. Learn in depth information on ascorbic acid tolerance blood and urine test on why the laboratory test is performed specimen collected the significance of the results and its use in diagnosing medical conditions. Glucose indicates glucose spill in urine. These preparations are as follows.

Ascorbic acid vitamin c is known to interfere with the oxidation reaction of the blood and glucose pad on common urine test strips. 2 4 ascorbic acid interference. Before urine test 6 8 glasses of water have to be drunk. For this reason the ascorbic acid status of urine samples should always be routinely known so as to establish what adjustment needs to be made.

When this is suspected to be the case a laboratorian may test the sample for ascorbic acid vitamin c because it has been known to interfere with the accuracy of some of the results of the chemical test strip causing them to be falsely low or falsely negative. It is preferred to do overnight fasting. Some urine test strips are protected against the interference with iodate which eliminates ascorbic acid by oxidation. For ascorbic acid interference examination stock solutions of each tested analyte were prepared.