Accessible Version: Investigating a Mystery Disease

Patient 4, Adult Male
Microscopic Examination of Blood

Table 4. Complete Blood Count Results for Patient 4

Blood Component Test Result Normal Values
White blood cell (WBC) count 6,500 cells/µL 4,400-11,300 cells /µl
Red blood cell (RBC) count 4.2 million cells/µL Males 4.5 million - 5.9 million cells/µL
Females 4.1 million - 5.1 million cells/µL
Hematocrit 33% Males: 42-50%
Females: 36-45%
Hemoglobin (Hb) 12.5 g/dL Males: 14.0-17.5 g/dL
Females: 12.3-15.3 g/dL
Mean Corpuscular Volume (MCV) 79 fL/RBC 80.0-96.6 fL/RBC
MCV:RBC ratio 12 -
RDW (RBC distribution width) Normal -
Total iron-binding capacity (TIBC) 350 µg/dL 240-450 µg/dL
Serum ferritin concentration 81 ng/mL 15-306 ng/mL


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