Acute stays are stays according to the Act relating to child welfare services section 4-6, 1st paragraph, section 4-6, 2nd paragraph, and section 4-25.

Behavioural stays are stays according to sections 4-24 and 4-26.

Voluntary stays are stays according to sections 1-3, 4-3, 4-4, 2nd paragraph and section 4-4, 5th paragraph.

Care stays are stays according to sections 4-12 and 4-8, as well as section 5A-1 (Care centres for unaccompanied juvenile asylum seekers). From 2015 section 5A-1 is separated from other Care stays in a new category; Stay in a care centre for minors.