What Is Ascorbic Acid In Urine Mean

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. This is water soluble and can be observed in the urine. Avoid products such as cranberry juice or ascorbic acid because these items may increase urine acid levels.

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Some test strips include a test for urinary ascorbate.

What is ascorbic acid in urine mean. A total of 27 856 samples submitted for urinalysis in previous year were retrospectively analysed from the laboratory information system. 15 previous studies have demonstrated that even modest ingestion of vitamin c supplements 350 1000 mg d can cause high concentration of vitamin c in urine which interferes with dipstick determination of glucose and hemoglobin. The tests have several other parameters on them and one of them is ascorbic acid. For this reason the ascorbic acid status of urine samples should always be rou.

My last urine had so much in it it was at the opposite end of the scale. Ascorbic acid at higher concentration in urine samples can lead to false negative results in a number of urine tests with a potential risk of clinical findings being overlooked particularly with glucose and hemoglobin. Ascorbic acid may be obtained from other sources such as from your diet or multivitamins. 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.

What could this mean. Ascorbic acid vitamin c is known to interfere with the oxidation reaction of the blood and glucose pad on common urine test strips. Occasionally people taking vitamin c or multivitamins may have large amounts of ascorbic acid in their urine. The aim of this work was to determine the frequency of ascorbic acid positive urine samples and to evaluate the potential risk on patient safety.

Stop taking medications that cause a decrease in urine ph levels which is acidic urine. Ascorbic acid vitamin c is frequently found in clinical urine samples and can interfere with the dipstick results. Some urine test strips are protected against the interference with iodate which eliminates ascorbic acid by oxidation. Holding urine in the bladder causes a decrease in water content in the urine and makes it more acidic.

I have some urine test sticks which i use to test for protein i am pregnant and want to keep a check as i got pre eclampsia in my last pregnancy and it went unnoticed. Urinate when you first feel the urge. However ascorbic acid at higher concentration in urine samples can lead to false negative results in a number of urine tests and it is recommended that you have urinalysis done in a complete detail such as in a laboratory.