Rare diseases · Sign or symptom

Abnormal pitch

HP:5200005

What it means

Persistently abnormally high or low-pitched vocalization or speech than is considered the norm for the context of social situation or significantly different from baseline of the individual.

Pitch refers to the frequency of sound waves (measured in Hertz).

Part of the broader category

Abnormal pitch

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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.