Case definition	Epidemiological criteria	Clinical criteria	Laboratory criteria
Possible	History of trauma or contact with sick cats	Suggestive lesions	Absent
Probable	History of trauma or contact with sick cats	Suggestive lesions	Veterinarian diagnosis: A – Microbiologic proved diagnosis by the veterinarian or veterinarian laboratory B ‐ Regional detection of feline cases from other sources: Zoonosis Control Centers, Mobile contacts to a reference centre, etc.
Proved	History of trauma or contact with sick cats	Suggestive lesions	Positive culture a and/or histopathology b
Discarded	History of trauma or contact with sick cats	Suggestive lesions	Microbiologic and/or histopathologic proved diagnosis of another disease. Negative culture for Sporothrix spp. c

Note: Font: Adapted from‐ Guide to Health Surveillance (BRAZIL, 2021) and QUEIROZ‐TELLES et al., 2022.

^a Standard method.

^b Histopathology can be non‐specific. The result must be analysed carefully and associated to clinical and epidemiology.

^c Only negative culture for Sporothrix spp. does not rule the diagnosis (limitation of the culture).