Rare diseases · Sign or symptom
Hypoargininemia
Low blood arginine levels
HP:0005961
What it means
The concentration of arginine in the blood circulation is below the lower limit of normal.
Rare diseases that can present with this4
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
Also called: Arginine deficiency · Decreased arginine concentration · Decreased arginine level · Decreased arginine level in blood · Reduced arginine concentration · Reduced arginine level · Reduced arginine level in blood
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Start free with EleplanThis 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.