Capillary vs Venous Blood Samples

Capillary blood comes from a fingerstick; venous blood comes from a vein. Both are valid – the difference is volume, convenience, and which tests each support

Dried Blood Spot vs Venous Blood: Which Is Better?

Dried blood spot (DBS) collection uses a few drops from a fingerstick dried on a card; venous blood is drawn from a vein. Each has trade-offs for at-home test