Rare diseases · Sign or symptom
Abnormal circulating fibroblast growth factor 23 concentration
HP:6000489
What it means
The concentration of fibroblast growth factor 23 in the blood circulation is outside of the limits of normal.
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
Also called: Abnormal FGF23 concentration
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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.