Accessible Version: Investigating a Mystery Disease

Patient 3, Adult Female
Microscopic Examination of Blood

Table 3. Complete Blood Count Results for Patient 3

Blood Component Test Result Normal Values
White blood cell (WBC) count 8,700 cells/µL 4,400-11,300 cells /µl
Red blood cell (RBC) count 3.7 million cells/µL Males 4.5 million - 5.9 million cells/µL
Females 4.1 million - 5.1 million cells/µL
Hematocrit 25% Males: 42-50%
Females: 36-45%
Hemoglobin (Hb) 9.4 g/dL Males: 14.0-17.5 g/dL
Females: 12.3-15.3 g/dL
Mean Corpuscular Volume (MCV) 68 fL/RBC 80.0-96.6 fL/RBC
MCV:RBC ratio 15 -
RDW (RBC distribution width) High -
Total iron-binding capacity (TIBC) 480 µg/dL 240-450 µg/dL
Serum ferritin concentration 11 ng/mL 15-306 ng/mL


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