Trait
High blood tryptophan concentration
Clinical name: Hypertryptophanemia
The concentration of tryptophan in the blood circulation is above the upper limit of normal.
Summary
- Also called
- Increased tryptophan in blood, Elevated tryptophan concentration, Elevated tryptophan level, Elevated tryptophan level in blood, Increased tryptophan concentration, Increased tryptophan level, Increased tryptophan level in blood
- Body system
- Laboratory abnormality
Reference genomeGRCh38hg38
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Get my Genome Test1 gene linked to High blood tryptophan concentration
Changes in these genes cause rare conditions in which High blood tryptophan 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 |
|---|---|---|
| TDO2tryptophan 2,3-dioxygenase | Always | 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
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 2026.10.16-c6eea6bf.
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