All types of detention

Compulsory (formal) admission

• s2 - admission for assessment

• s3 - admission for treatment

• s4 - emergency admission for assessment

• s5(2) - doctors' holding power

• s5(4) - nurses' holding power

• s35 - remand for report

• s36 - remand for treatment

• s37 - hospital order

• s37/41 - hospital order with restriction order

• s38 - interim hospital order

• s43 - committal by magistrates for restriction order

• s45A - hospital direction with limitation direction

• s47 - transfer direction (from prison)

• s47/49 - transfer direction with restriction direction

• s48/49 - transfer of unsentenced prisoner, with restriction direction

Informal admission

• s131 - informal admission

Patients can enter hospital informally, and remain in hospital informally after the end of their section.

The House of Lords in R (L) v Bournewood Community and Mental Health NHS Trust [1998] UKHL 24 subdivided this group of patients into voluntary patients who have capacity to consent and do, and informal patients who do not have capacity but do not object. See also HL v UK 45508/99 [2004] ECHR 471.