Rare diseases · Sign or symptom
Abnormal CD4+ T cell subset proportion
HP:0031392
What it means
Abnormal increase or decrease of any CD4+ T cell subpopulation, measured as percentage of total CD4+ T cells in the blood, compared to a reference range for a given sex and age-group.
Rare diseases that can present with this3
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 CD4+ T cell subset · Abnormal CD4+ T cell subsets · Abnormal helper T cell proportion · Abnormal proportion of CD4+ T cells · Abnormal proportion of CD4-positive helper T cells · Abnormal proportion of CD4-positive T cells · Abnormal proportion of CD4-positive, alpha-beta T cells · Abnormal proportion of circulating T-helper cells
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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.