Haematology · Rheumatology · ICU and Critical Care

HScore calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Known underlying immunosuppression (+18)

Maximum temperature

Organomegaly

Number of cytopenic lineages

Ferritin

Triglycerides

Fibrinogen ≤2.5 g/L (+30)AST ≥30 U/L (+19)Hemophagocytosis on bone-marrow aspirate (+35)

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Fardet L et al. Development and validation of the HScore, a score for the diagnosis of reactive hemophagocytic syndrome. Arthritis Rheumatol (2014)