Decreased urinary urate

What it means

Decreased concentration of urate in the urine.

Xanthine oxidase oxidizes oxypurines such as xanthine and hypoxanthine to uric acid. Uric acid is the final oxidation product of purine catabolism.

Rare diseases that can present with this2

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category