Use of dispatch codes for obvious/expected deaths: Maintaining patient safety while reducing the number of lights-and-sirens responses.

Competing Interests: Conflict of Interest Mr Austin Whiteside and Mr Jason Belcher are employees of SJWA. Prof Judith Finn and Dr Stephen Ball hold adjunct research positions with SJWA. Dr Milena Talikowska, Prof Judith Finn and Dr Stephen Ball are employees of the Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU) at Curtin University; PRECRU receives research funding from SJWA. There are no other conflicts of interest to declare.