Medical calculator

Fiumefreddo Score for Ruling Out Legionella Pneumonia

Fiumefreddo Score is the primary decision tool to rule out and identify Legionella pneumophila in CAP patients using 6 simple parameters. A score <2 has NPV 94%–99%, while a score ≥4 has specificity 92%–98%

Assess fever, cough, CRP, LDH, platelets, and sodium to calculate the Fiumefreddo score and guide clinical management.

Fiumefreddo Score Parameters (6 Items)

Assess clinical symptoms and initial lab values

1. Body Temperature

Assess peak temperature

2. C-reactive Protein (CRP)

Serum CRP level

3. Lactate Dehydrogenase (LDH)

Serum LDH activity

4. Platelet Count (Plt)

Peripheral platelet count

5. Serum Sodium (Na+)

Serum sodium level

6. Cough Type

Cough presentation

Please complete all required fields first.