Hello
Winnie54 and welcome

I'm sorry what brings you here, I'm also very glad you joined us. There is much wisdom and experience here to support you, you are not alone.
Here is our dilemma - the Children's Hospital told us today that he is not severe enough to meet the requirements of their DBT program. He apparently needs to be more of a harm to himself or others.
This reeks to me of either lack of resources and foresight things can get worse, or that your son is not ready to engage in helping himself yet. I'm not sure what country you are in.
Have you considered making an appeal? My view is they have a duty of care and need to fulfil it. What do you think?
WDx