Modified Faine's criteria.

<p>A presumptive diagnosis of leptospirosis may be made if: (i) Score of Part A+Part B = 26 or more (Part C laboratory report is usually not available before fifth day of illness; thus it is mainly a clinical and epidemiologic diagnosis during early part of disease) or Part A+Part B+Part C≥25.</p><p>A score between 20 and 25: Suggests a possible but unconfirmed diagnosis of leptospirosis.