Leucocytosis
EBM Guidelines
Jan 7, 2025 • Latest change Apr 9, 2026
Table of contents
Extract
- Diagnose a severe infection as the cause of leucocytosis immediately and arrange treatment without delay.
- Absence of leucocytosis does not rule out severe infection or malignant haematological disease.
- If the cause of leucocytosis is not apparent, order further investigations considered necessary.
Search terms
D72.8, D72.9, Eosinophilia, Haematology, Internal medicine, Leukemoid Reaction, Leukocytes, Leukocytosis, Lymphocytosis, basophilia, blood count, blood picture, change in blood picture, granulocytosis, haematological picture, hematological picture, leucocytes, leucocytosis, monocytosis, neutrophilic leukocytosis