Diagnostic approach to Leukocytosis

Blood smear-manual differential count

Refer to hematologist

Neutrophilia - absolute

Evaluate for:
Pregnancy
Smoking
Post splenectomy
Corticosteroid use
Inflammatory disease

Evaluate for:
Allergy
Parasitic infection
Medication use

Evaluate for:
Malignancy
Chronic infection
Post splenectomy

Evaluate for:
Chronic infection

No

Follow appropriately

Follow and treat appropriately