Batteri

Gram-

Escherichia coli
Proteus
Klebsiella
Enterobacter
Pseudomonas
Serratia
Anaerobi

Gram+

Enterococci
Staphylococcus saprophyticus
Staphylococcus aureus

Organismi insoliti

Parassiti

Echinococcus
Schistosoma haematobium o mansoni

Protozoi

Trichomonas

Miceti

Candida
Blastomyces
Coccidioides immitis

Organismi acido resistenti

Mycobacterium tuberculosis