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Capacity

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Definition in primary legislation

of

Capacity

Legislation

from

Mental Capacity Act 2005, S.2

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(1) For the purposes of this Act, a person lacks capacity in relation to a matter if at the material time he is unable to make a decision for himself in relation to the matter because of an impairment of, or a disturbance in the functioning of, the mind or brain. (2) It does not matter whether the impairment or disturbance is permanent or temporary. (3) A lack of capacity cannot be established merely by reference to-- (a) a person's age or appearance, or (b) a condition of his, or an aspect of his behaviour, which might lead others to make unjustified assumptions about his capacity.
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Definition in Statutory Guidance

of

Capacity

GOV.UK

from

Mental Capacity Act Code of Practice, para 4.1

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Mental capacity is the ability to make a decision. - This includes the ability to make a decision that affects daily life such as when to get up, what to wear or whether to go to the doctor when feeling ill - as well as more serious or significant decisions. - It also refers to a person's ability to make a decision that may have legal consequences - for them or others. Examples include agreeing to have medical treatment, buying goods or making a will.
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Definition in Statutory Guidance

of

Capacity

from

Deprivation of Liberty Safeguards Code of Practice

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Short for mental capacity. The ability to make a decision about a particular matter at the time the decision needs to be made. A legal definition is contained in section 2 of the Mental Capacity Act 2005.
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Definition in Statutory Guidance

of

Capacity

GOV.UK

from

Mental Capacity Act Code of Practice

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The ability to make a decision about a particular matter at the time the decision needs to be made. The legal definition of a person who lacks capacity is set out in section 2 of the Act.
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Reference in legislation or statutory guidance

to

Capacity

Legislation

from

Care Act 2014, S.68(3)

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S.68(3) of the Care Act states: (3) The condition is that the local authority considers that, were an independent advocate not to be available, the individual would experience substantial difficulty in doing one or more of the following-- (a) understanding relevant information; (b) retaining that information; (c) using or weighing that information as part of the process of being involved; (d) communicating the individual's views, wishes or feelings (whether by talking, using sign language or any other means).
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Definition

of

Capacity

National Institute for Health and Care Excellence

from

NICE Guideline NG67 - Managing medicines for adults receiving social care in the community

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The ability of a person to make a decision about their own care, including: - decisions that affect daily life (for example, when to get up, what to wear or whether to go to the doctor when feeling ill, and more serious or significant decisions) - decisions that may have legal consequences for them or others (for example, agreeing to have medical treatment, buying goods or making a will). The Mental Capacity Act 2005 defines a lack of mental capacity as when 'a person lacks capacity in relation to a matter if at the material time he is unable to make a decision for himself in relation to the matter because of an impairment of, or a disturbance in the functioning of, the mind or brain'. Health professionals should follow the Department of Health's advice on consent. If a person does not have capacity to make decisions, health and social care practitioners should follow the code of practice that accompanies the Mental Capacity Act and the supplementary code of practice on deprivation of liberty safeguards.
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Plain English definition

of

Capacity

Think Local Act Personal

from

Think Local Act Personal (TLAP) Jargon Buster

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The ability to make your own choices and decisions. In order to do this, you need to be able to understand and remember information, and communicate clearly - whether verbally or non-verbally - what you have decided. A person may lack capacity because of a mental health problem, dementia or learning disability.
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Discussion

about

Capacity

Discussion

from

Project team

"Capacity" has a completely different meaning in the context of the Capacity Tracker.
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Discussion

about

Capacity

Discussion

from

Stakeholder discussions

Capacity is routinely used by professionals to refer to "mental capacity". This will not always be clear to care recipients and their friends/family: care needs to be taken to explain this meaning.
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Discussion

about

Capacity

Discussion

from

Stakeholder discussion: social worker with an integrated hospital team background

A person's mental capacity may fluctuate over time and may vary depending on the decision to be made. This isn't always understood or recognised by health professionals, although the definitions here are reasonably consistent about it. This can lead to people being inappropriately prevented from making decisions which they do have the capacity to make.
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Further information

https://marketingteam125.wixsite.com/ascglossary/asc-glossary-definitions/6383

Discussion

about

Capacity

Discussion

from

Project team

Many of the definitions here don't place enough emphasis on the non-binary nature of capacity ("at the material time" and "in relation to the matter").
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Discussion

about

Capacity

Discussion

from

Project team

The definition in NICE Guideline NG67 refers to "the Department of Health's advice on consent". There is a 2009 document entitled "Reference guide to consent for examination or treatment (second edition)" which appears to be the most recent guidance available.
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Further information

https://www.gov.uk/government/publications/reference-guide-to-consent-for-examination-or-treatment-second-edition

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