Blood Cell Counts and Blood Test Indicators: RBC, WBC, Hematocrit, Hemoglobin, and Coagulation

RBC count

The number of red blood cells (RBCs) per volume of blood.

High RBC count

Could indicate polycythemia or possible bone marrow cancer.

Low RBC count

Could indicate anemia, hemorrhage, or hemolysis.

Total WBC count

The number of white blood cells (WBCs) per volume of blood.

High WBC count (leukocytosis)

Could indicate infection, poison, or metabolic disease.

High WBC count with many abnormal cells

Could indicate leukemia.

Low WBC count (leukopenia)

Could indicate tuberculosis, measles, typhoid fever, hepatitis or cirrhosis, or exposure to radiation.

Elevated Neutrophils

Could indicate acute bacterial infection, rheumatoid arthritis, burns, stress, or a normal result of exercise.

Elevated Lymphocytes

Could indicate mumps, measles, or whooping cough.

Elevated Monocytes

Could indicate chronic diseases such as tuberculosis (TB) or leukemia, chronic inflammation, or viral infection.

Increased Eosinophils

Could indicate allergies or parasitic infections.

Increased Basophils

Occur in inflammatory processes.

Hematocrit

The packed cell volume — the quantity of RBCs compared to plasma.

Normal Hematocrit values for Females

42% (range 37-47%)

Normal Hematocrit values for Males

47% (range 42-52%)

Normal Hemoglobin concentration

12-18 g/100 ml

Normal Coagulation time

2-6 minutes