Educational guideline reference tool for registered NHS clinicians. All outputs cite published NICE and BSH national guidance. This tool does not make clinical decisions — all clinical decisions remain the responsibility of the treating clinician.
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Not designed for use in: Known haematological malignancy · Patients on chemotherapy or anti-cancer therapy · Bone marrow transplant recipients · Pregnancy · Paediatric patients (under 16) · Known inherited haematological disorders
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Thrombocytosis
Elevated platelet count
Platelets >450 ×10⁹/L
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Thrombocytopenia
Low platelet count · ITP
Platelets <150 ×10⁹/L
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Leucocytosis
Raised white cell count
WBC >11 ×10⁹/L
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Neutropenia
Low neutrophil count
Neutrophils <1.8 ×10⁹/L
Select a module
Choose the abnormality to navigate
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Blood Count Navigator
Select an abnormality above, then choose the result range. BSH and NICE guidance will be surfaced for your reference.
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