4
Contents
Introduction ....................................................................................................................................................... 6
Background ................................................................................................................................................... 6
Purpose ..................................................................................................................................................... 6
Division of the Guide .................................................................................................................................. 6
Part 1 The general informed decision-making process ................................................................................. 8
1.1 What is health care? ........................................................................................................................ 8
1.2 What is meant by informed decision-making and informed consent? ............................................... 8
1.3 Why is it necessary to obtain consent? ............................................................................................ 9
1.4 What health care requires consent? .............................................................................................. 10
1.5 When should consent be obtained in writing? ................................................................................ 10
1.6 What process of informed decision-making needs to be followed? ................................................ 11
1.7 Is this adult patient able to make a decision about health care themselves? .................................. 18
1.8 What if there is doubt about a patient’s capacity to give consent or their capacity appears
borderline or fluctuates? ............................................................................................................... 20
1.9 Can a patient or decision-maker decline or withdraw consent to health care? ................................ 21
1.10 Can information be withheld from a patient? .................................................................................. 22
1.11 What is the lifespan of a written consent? ...................................................................................... 23
1.12 Who is responsible for obtaining patient consent in an environment of shared care and
multidisciplinary teams?................................................................................................................ 24
1.13 What are the organisational responsibilities of the health care facility? .......................................... 28
Part 2 Informed decision-making and consent for adults who lack or have impaired capacity to make
decisions ...................................................................................................................................... 30
2.1 When consent isn’t required for an adult who has impaired capacity to consent ............................ 30
2.2 Who can consent for adult patients who lack or have impaired capacity?: Substitute decision
makers. ........................................................................................................................................ 32
2.3 The withholding and withdrawing of life-sustaining measures in an acute emergency from adult
patients who lack capacity to consent ............................................................................................. 41
2.4 Is there health care which is prohibited completely or prohibited unless certain requirements are
met? ............................................................................................................................................... 42
Part 3 Informed decision-making and consent for children and young persons .......................................... 44
3.2 Informed decision-making for urgent and life-saving health care to children and young persons ... 50
3.3 Examination of a child or young person without the consent of parents under the Child Protection
Act 1999 ....................................................................................................................................... 52
3.4 When is consent from a parent, guardian or child/young person not enough? ............................... 52
Part 4 Informed decision-making and consent in specific health care situations ...................................... 53
4.1 Do patients need to give informed consent to intimate examinations? ........................................... 53
4.2 Considerations for persons receiving treatment and care under the Mental Health Act 2016 ......... 54
4.3 Blood and blood products transfusion ............................................................................................ 54
4.4 Maternity care ............................................................................................................................... 56
4.5 Voluntary Assisted Dying ............................................................................................................... 59
4.6 Open access services ................................................................................................................... 60
4.7 Health care administered in a clinical trial, medical research or experimental health care ............. 61
4.8 Childhood and school-based programs (including oral health and immunisation programs) .......... 61
4.9 Public health orders ....................................................................................................................... 62
4.10 What are the informed decision-making issues for off-label use of medications? ........................... 62
4.11 What are the informed decision-making issues when using medicines via the Special Access
Scheme (SAS) ............................................................................................................................. 63
4.12 What are the informed decision-making issues with obtaining organs for transplantation? ............ 63
4.13 Where can I get more advice about consent in relation to a particular patient? ............................. 63
Part 5 Communication and cultural issues in informed decision- making in clinical health care ............... 65
5.1 What about patients who have additional communication needs? .................................................. 65
5.2 Use of interpreters ......................................................................................................................... 65