Ambulance cover is provided by the State government for Queensland residents (https://www.ambulance.qld.gov.au). This includes cover whilst interstate.
Other features of this ambulance cover: In Queensland, residents have third party arrangement ambulance services provided by state government schemes. Under those arrangements, the relevant scheme is responsible for the cost and Police Health only pay a benefit if the cost isn’t fully covered by the arrangement or scheme.
For further information about this policy see: https://www.policehealth.com.au/information-hub/benefit-guides/ambulance-benefit-guide/