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

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.

Source: MedlinePlus, U.S. National Library of Medicine

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