Rare diseases · Sign or symptom

Abnormality of body mass index

HP:0045081

What it means

Anomaly in the weight-to-height squared ratio, calculated by dividing the individual's weight in kilograms by the square of the individual's height in meters and used as an indicator of obesity and underweight compared to averages.

Part of the broader category

Also called: Abnormal BMI · Abnormal body mass index

Abnormality of body mass index

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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.