ADULT LABORATORY VALUES-CBC (Complete Blood Count)

WBC (white blood cell) Leukocyte

5,000 -10,000 mm3

Protects against infections/diseases identify & destroy harmful invaders

(leukocytosis)

Elevated level (leukocytosis) - infection, inflammation, stress response, injury, leukemia

(leukopenia)

Decreased level (leukopenia) – weakened immune system, chemotherapy, immunosuppressants, HIV/AIDs

RBC (red blood cell) Erythrocyte

4.2 – 5.4 Mil/ul

Transports oxygen from lungs to body tissues/organs, carries Co2 back to the lungs for exhalation. 

(Erythrocytosis)

Elevated level (Erythrocytosis) Polycythemia vera, living at high altitudes, early stages of COPD, Heart issues, steroid misuse, dehydration causing hemoconcentration

anemia)

Decreased level (anemia) Blood loss, Iron/folate/B12 deficiency, CKD, sickle cell, bone marrow suppression, chemotherapy, late stages of COPD, overhydration causing hemodilution

Hgb (Hemoglobin)

Men: 13.5 – 17.5 g/dL
Women: 12 – 15.5 g/dL

Protein in red blood cells that carries oxygen. ———-alterations-significnceSame as RBC above

Hct (Hematocrit)

Men: 42–52% Women: 37-47 %

% of red blood cells in the blood———————-alterations-significnceSame as RBC above

Platelets (Thrombocyte)

150,000 – 400,000 mm3

Cell fragments in blood that form clots. Stop or prevent bleeding.////////////////Elevated level (thrombocytosis) infection, inflammation, iron deficiency, trauma, bone marrow disorders

Decreased level (thrombocytopenia) ITP, sepsis, liver disease, bone marrow suppression, splenomegaly, heparin/anti-coagulation administration