I thought the suicidality screener was two parts. Do you have thoughts, followed by do you have a plan. Thoughts get you a referral and a plan gets you an involuntary hold.
I've read (open access journals, no way for me to evaluate the quality of the articles) that successful child suicides (5-11) have increased dramatically since 2000. It's now in the top ten causes of death in that age group.
Inpatient pediatric psychiatric doesn't really seem set up to handle it.
@eternal dog mongler is right, from what I've seen of inpatient children's wards they mostly treat disruptive or violent behavior issues, with a lot of the kids coming from group homes. On top of that there is such a shortage of appropriate beds I've heard stories of suicidal 10-11 year olds being kept in the ER for up to a week.