Rare diseases · Sign or symptom

Abnormal total hemolytic complement activity

HP:0031904

What it means

Any deviation from the normal total hemolytic complement activity in the circulation.

The total hemolytic complement test, also known as the CH50, is a screening test for total complement activity.

Part of the broader category

Also called: Abnormal CH50

Abnormal total hemolytic complement…

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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.