Table 1.

Diagnostic criteria for TINU syndrome

The diagosis of TINU syndrome requires the presence of both AIN and uveitis without other known systemic disease that cause either interstitial nephritis or uveitis
Definite TINU syndrome:
AIN diagnosed histopathologically or clinically
(complete criteria*) and typical uveitis
Probable TINU syndrome:
AIN diagnosed histopathologically and atypical uveitis
or
AIN diagnosed clinically (incomplete criteria) and typical uveitis
Possible TINU syndrome:
AIN diagnosed clinically (incomplete criteria) and atypical uveitis

^*The three clinical criteria required to make a clinical diagnosis of AIN are: (1) Abnormal renal function, (2) Abnormal urinalysis and, (3) A systemic illness lasting two weeks or more