Abnormal urinary nitrogen compound level

What it means

The amount of a nitrogen compound in the urine, normalized for urine concentration, is outside of normal limits.

Rare diseases that can present with this1

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