The Acute Assessment Unit (AAU) at Hornsby Ku-ring-gai Hospital is a short stay general medical unit suitable for patients who require admission with the expectation that the investigation and treatment plan will help facilitate discharge in 48 hours.



Stable medical patients identified as fulfilling the AAU admission criteria.


Admission into the AAU will occur via the Emergency Department or as direct admissions referred by a specialist either from outpatient clinics or the community.

Other Information

Patients in the AAU are either discharged home or may be admitted to an inpatient ward.

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Hornsby Ku-Ring-Gai Hospital,
Palmerston Road, 
Hornsby, NSW 2077

Finding Us: The AAU is located within Building 1 of Hornsby Ku-Ring-Gai Hospital.

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Open 24 hours per day, 7 days per week.

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Centre direct number:

02 9477 9945