Body Surface Area

**Semantic type:** Clinical Attribute

**Definition:** A measure of the 2-dimensional extent of the body surface (i.e., the skin). Body surface area (BSA) can be calculated by mathematical formula or from a chart that relates height to weight. BSA is often an important factor in dosing.

**Synonyms:** - BSA - BSA - BSA - BSA - BSA - Vital Signs – BSA - body surface area - body surface area - body_surface_area - body_surface_area