Do you think every child should get tested for adhd clinical depression and bipolar?

I feel like it's so common and also people go throughout their lives not being diagnosed and just having to suffer through it that it would be easier just to know if you are or aren't from the get-go and then you can do whatever you need to do to keep it in control. Thoughts?
Do you think every child should get tested for adhd clinical depression and bipolar?
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