Trait

Increased circulating IgD concentration

An abnormally increased level of immunoglobulin D in blood.

Also called: Elevated IgD, Elevated serum IgD, IgD hypergammaglobulinemia, Increased circulating IgD level, Increased IgD level, Increased levels of IgD, Increased serum IgD
Body system: Abnormal cellular phenotype Abnormality of blood and blood-forming tissues Laboratory abnormality Abnormality of the immune system

This page as data

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page$trait$name

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1 gene linked to Increased circulating IgD concentration

Changes in these genes cause rare conditions in which Increased circulating IgD concentration is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

Gene	How often it is seen	Conditions
MVKmevalonate kinase	Very often (80–99%)	In 2 conditions

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Abnormal circulating IgD concentration Increased antibody level in blood

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
Data release 2026.10.17-8666dff2.

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