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.

Page last updated: 12 March 2004

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.


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