Emergency department stay—ambulance offload delay, total minutes NNNNN

Identifying and definitional attributes
Metadata item type:	Data Element
Short name:	Emergency department ambulance offload delay time
Synonymous names:	Ambulance ramping time
METEOR identifier:	417543
Registration status:	Tasmanian Health, Standard 09/12/2016
Definition:	The amount of time, measured in minutes, between when ambulance crews have waited more than 15 minutes from triage time while having a patient under their care until the time the emergency department takes the responsibility for the care of the patient.
Context:	Ambulance offload delay occurs when an ambulance crew and patient arrive at the emergency department and the patient is required to wait and under the care of the ambulance crew for more than 15 minutes until the emergency department has the capacity to accept or treat the patient.
Data Element Concept:	Emergency department stay—ambulance offload delay
Value Domain:	Total minutes NNNNN

Value domain attributes
Representational attributes
Representation class:	Total
Data type:	Number
Format:	NNNNN
Maximum character length:	5
Unit of measure:	Minute (m)

Data element attributes
Collection and usage attributes
Guide for use:	A patient is considered to have Ambulance Offload Delay (AOD) when they are still under the care of ambulance crew 15 minutes after their arrival to the emergency department. The amount of time spent AOD is set to zero at the 15 minutes mark, consequently a patient under the care of ambulance crew and located at the emergency department for 20 minutes would be considered to have an AOD of 5 minutes.
Collection methods:	([StaySegmentEndDateTime] - [ArrivalDateTime]) when > than 15 or 30 minutes* and the [LocationDescription] field is Ambulance waiting. * an ambulance offload delay time of over 15 minutes being below 15:59 seconds and over 30 minutes being below 30:59 seconds.
Relational attributes
Implementation in Data Set Specifications: All attributes +	Tasmanian Emergency Department Data Set - 2016 Tasmanian Health, Superseded 30/04/2020 DSS specific attributes + Implementation start date: 01/07/2016 Implementation end date: 28/06/2017 Tasmanian Emergency Department Data Set - 2019 Tasmanian Health, Superseded 30/04/2020 DSS specific attributes + Implementation start date: 01/07/2019 Implementation end date: 28/06/2020 Tasmanian Emergency Department Data Set - 2020 Tasmanian Health, Superseded 22/11/2023 DSS specific attributes + Implementation start date: 01/07/2020 Implementation end date: 30/06/2021 Tasmanian Emergency Department Data Set - 2021 Tasmanian Health, Superseded 22/11/2023 DSS specific attributes + Implementation start date: 01/07/2021 Implementation end date: 30/06/2022 Conditional obligation: Required if episode of care meets the data elements criteria Tasmanian Emergency Department Data Set - 2022 Tasmanian Health, Superseded 22/11/2023 DSS specific attributes + Implementation start date: 01/07/2022 Implementation end date: 30/06/2023 Conditional obligation: If applicable Tasmanian Emergency Department Data Set - 2023 Tasmanian Health, Standard 23/11/2023 DSS specific attributes + Implementation start date: 01/07/2023 Implementation end date: 30/06/2024 Conditional obligation: If applicable
Implementation in Indicators:	Used as Numerator Service Agreement - Department of Health and Human Services Tasmania: 2013, KPI??-Total time (hours) spent by ambulance presentations in offload delay, 2013 Tasmanian Health, Superseded 09/12/2016 Service Agreement - Department of Health and Human Services Tasmania: 2014, Percentage of patients with transfer of care completed within 15 and 30 minutes, 2014 Tasmanian Health, Superseded 09/12/2016 Service Agreement - Department of Health and Human Services Tasmania: 2014, Total time (hours) spent by ambulance presentations in offload delay, 2014 Tasmanian Health, Superseded 09/12/2016 Service Agreement - Department of Health and Human Services Tasmania: 2016, EFF3-4, Emergency Department, Total time (hours) spent by ambulance presentations in offload delay, 2016 Tasmanian Health, Superseded 28/03/2019 Service Agreement - Department of Health and Human Services Tasmania: 2017, EFF3-4, Emergency Department - Total time (hours) spent by ambulance presentations in offload delay, 2017 Tasmanian Health, Superseded 28/03/2019 Service Agreement - Department of Health Tasmania: 2018, Emergency Department - Total time (hours) spent by ambulance presentations in offload delay, 2018 Tasmanian Health, Superseded 24/07/2019 Service Plan - Department of Health Tasmania: 2019, Ambulance offload delay - within 15 and 30 mins (all specified facilities), 2019 Tasmanian Health, Standard 24/07/2019