Rare diseases · Sign or symptom
Hyperglycinemia
Elevated blood glycine levels
HP:0002154
What it means
An elevated concentration of glycine in the blood.
Normal blood glycine levels are around 200-250 micromole per liter.
Rare diseases that can present with this10
Very common80–99%
2Common30–79%
5The 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, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Hyperglycinaemia
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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.