Blood count
A blood count was a medical test run to determine the number of each component  type in blood.

In 2155, the Human-Vulcan hybrid Elizabeth had an elevated white blood cell count. ()

After encountering the dikironium cloud creature in 2268, Ensign Rizzo's blood count was 60% less than normal. ()

In 2269, while trapped inside Janice Lester's body, James T. Kirk noted that "his" pulse, blood pressure, and blood count were all normal and wondered why "he" was in sickbay. Later, "Kirk's" blood count was determined by Doctor Leonard McCoy to be normal while Lester was inhabiting his body. ()

While acting as a temporary host for a Trill symbiont in 2367, William T. Riker's white blood cell count was elevated as his body rejected the foreign entity. ()

In 2372, Ekoria relayed a message from Jadzia Dax to Julian Bashir that Epran's white blood count was up 12%, a good sign, according to Bashir. ()

See also
 Hemoglobin count

External link

Medical procedures
Medical measurements