Know Your Blood

A simple, no-jargon guide to blood tests — what they check, why doctors order them, and what your numbers actually mean.

A routine blood test that checks your red cells, white cells and platelets in one go

A blood test that shows your average blood sugar over the past 2 to 3 months, used to screen for and monitor diabetes

A hemoglobin test measures the amount of oxygen-carrying hemoglobin in your blood. Learn normal Hb ranges and what low or high results may mean.