Australian national notifiable diseases case definitions
Haemolytic uraemic syndrome (HUS) case definition
This document contains the case definitions for Haemolytic uraemic syndrome which is nationally notifiable within Australia. This definition should be used to determine whether a case should be notified.
Communicable Diseases Surveillance
Australian national notifiable diseases case definitions - Haemolytic uraemic syndrome (HUS)
Reporting
Only confirmed cases should be notified.Confirmed case
A confirmed case requires clinical evidence only.Clinical evidence
1. Acute microangiopathic anaemia on peripheral blood smear (schistocytes, burr cells or helmet cells)AND AT LEAST ONE OF THE FOLLOWING:
2. Acute renal impairment (haematuria, proteinuria or elevated creatinine level)
OR
3. Thrombocytopaenia, particularly during the first seven days of illness.
Note: Where STEC/VTEC is isolated in the context of HUS, it should be notified as both STEC/VTEC and HUS.
