Routine blood tests are commonly done in clinical settings to look at the number of blood cells in the blood, as well as other parameters of blood cells. Platelets in routine blood tests are indicated by PLT, which is the meaning of platelets. Platelets are the smallest of these, both in terms of individual volume and overall volume, and mainly play a role in blood clotting. If platelets are too small, they may cause bleeding spots on the skin or cause bleeding elsewhere that cannot be easily stopped. The main thing to look at is the number of platelets, which is usually within (100-300) x 10^9 / L. If the value is slightly higher or lower, it is likely to indicate a disease. If the elevated or lowered platelets return to normal quickly, the problem is generally not serious. If the decrease or elevation is more pronounced and persists for a period of time, it is indicative of some disease.