My Lords, in moving Amendment 23 I shall speak also to the other amendments in this group, Amendments 139 and 141. These amendments, although they may not look it, are all of a piece, because they bear upon the fulcrum for any decision to detain a patient under the Mental Health Act, which is the concept of “serious harm” and what we mean by it. My noble friend Lord Kamall’s Amendment 141 offers such a definition, but we have tabled the amendment more as an Aunt Sally than anything else, because what matters is how we want the phrase to be interpreted in real-life situations by clinicians and others on the ground.
The concept of serious harm as a determining factor for detention is introduced by Clause 5. Clause 5(2)(b) replaces Section 2(2)(b) of the Act, which refers instead to detention in the interests of a person’s own health or safety, or with a view to the protection of other persons. The new wording is undoubtedly tighter than the old wording and, on that account, it is to be welcomed. However, it is not, as far as I can see, fleshed out by any definition. That could, of course, be deliberate, because, in the end, a decision to detain someone will always be a matter of clinical judgment. Such judgments, though, ought surely to rest on established understandings. Serious harm, as applied to the health or safety of the patient themselves, may be a relatively straightforward clinical judgment to make in many, if not most, circumstances. But what about serious harm as applied to the health or safety of another individual? Do we mean just physical harm or are we talking also about psychological harm? If so, of what kind and to what degree? Detaining someone on the grounds that serious psychological harm may be caused to another person raises all sorts of issues that fall outside a standard clinical judgment about the health and/or safety of a prospective in-patient.
The threshold of serious harm being caused, or at risk of being caused, is of huge significance for different types of patients. One of the really good things that this Bill seeks to do is to keep individuals with autism or a learning disability out of a mental health unit, unless they present with other behavioural symptoms that are treatable. That is because we recognise that not only is there no point in detaining such individuals when they display no treatable symptoms, it is also positively harmful to them to do so. In the same way, I think it is accepted that to detain a child or a young person forcibly in a mental health unit is a very big decision indeed, because what is meant to constitute a therapeutic environment is all too often no such thing. On the contrary, a mental health ward or even an A&E department can often seem both alien and frightening to a young patient, in a way that can exacerbate their acute disturbance of mind.