CBC (elevated WBC, platelets)
BMP, lactate
CXR
Blood cultures, urine, wound cultures
Peripheral blood smear
Howell Jolly bodies
Heinz Bodies
Pappenheimer bodies
Target cells
Howell Jolly bodies
Heinz Bodies
Pappenheimer bodies
Target cells
Asplenic patient
Bacterial infection 
Combative patient
Streptococcus pneumonia
The obese patient
Haemophilus influenzae type B
Severe anemia in Jehovah's Witness patients
Neisseria meningitidis