Rare diseases · Sign or symptom

Abnormal circulating retinol-binding protein concentration

HP:0031031

What it means

Any deviation from the normal concentration of retinol-binding protein in the blood circulation.

The most commonly used indicator of vitamin A status is the serum retinol concentration (retinol is one of the several compounds known as vitamin A). The serum retinol-binding protein (RBP) concentration is used as a surrogate measure for serum retinol.

Part of the broader category

Abnormal circulating retinol-binding…

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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.