Rare diseases · Sign or symptom

Argininuria

High urine arginine levels

HP:0003268

What it means

A increased concentration of arginine in the urine.

Normal urinary arginine total (free and combined form) excretion is around 30 mg per 24 hours.

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

Argininuria

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.