Crystals (Urine)
The urine crystals test identifies crystal formations in urine under microscopic examination. Some crystals are normal, while others may indicate metabolic disorders or kidney stone risk.
Category: Urinalysis
Also known as: crystals, urine crystals, crystals urine, kristali
Reference range: 0–0 (Source: ABIM)
High values may indicate
Significant urine crystals may indicate kidney stone risk, metabolic disorders (such as gout with uric acid crystals), or urinary tract conditions.
Low values may indicate
Few or no crystals in urine is normal and indicates a low risk of crystal-related kidney stones.
Frequently asked questions
- What is a normal Crystals (Urine) level?
- A typical reference range for Crystals (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 Crystals (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 Crystals (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Crystals (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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