What does routine blood tube mean

The routine blood test is the most general and basic blood test. Blood consists of two major parts, liquid and tangible cells, and routine blood tests the cellular part of blood. Blood has three types of cells with different functions - red blood cells (commonly known as erythrocytes), leukocytes (commonly known as white blood cells), and platelets. Diseases are determined by observing changes in numbers and morphological distribution. It is one of the common auxiliary tests used by doctors to diagnose conditions.