Ascorbic Acid (Urine)
The urine ascorbic acid (vitamin C) test detects the presence of ascorbic acid in urine. High levels may interfere with the accuracy of other urine dipstick tests.
Category: Urinalysis
Also known as: ascorbic acid, urine ascorbic acid, vitamin c urine, askorbinska kiselina
Reference range: 0–0 (Source: ABIM)
High values may indicate
Positive urine ascorbic acid may indicate excessive vitamin C intake or supplementation. It can cause false-negative results on dipstick tests for glucose, blood, bilirubin, and nitrite.
Low values may indicate
Negative urine ascorbic acid is normal and means no interference with other dipstick test results.
Frequently asked questions
- What is a normal Ascorbic Acid (Urine) level?
- A typical reference range for Ascorbic Acid (Urine) is 0–0 (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- Where do Ascorbic Acid (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Ascorbic Acid (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Ascorbic Acid (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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