Rare diseases · Sign or symptom

Abnormal circulating fatty acid concentration

HP:0004359

What it means

Any deviation from the normal concentration of fatty acid in the blood circulation.

A fatty acid is an aliphatic monocarboxylic acid derived from or contained in esterified form. Natural fatty acids commonly have a chain of 4 to 28 carbons (usually unbranched and even-numbered), which may be saturated or unsaturated. R-COOH. Fatty acids are usually derived from triglycerides or phospholipids.

Rare diseases that can present with this5

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 fatty acid level · Abnormality of fatty acid metabolism · Fatty acids abnormal

Abnormal circulating fatty acid…

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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.