My question involves criminal law for the state of: Minnesota

My friends and I were on our way back from a trip during spring break when one of the friends started to scare everyone with suicidal threats and actions. We decided to call the cops and have him take to a institution for a while (such as Prairie St. John's) because it was not the first time he has done something like this.
We pull off at a gas station in Brainerd, MN and have the cops show up. At the time I am in the back seat of the truck sleeping when this all happens. I am woken up by the officer and given a breathalyzer.
Since the breathalyzer is not admissible in court would I be able to get off because i was not given a sobriety test or a blood test and the cops were called for protection of my friend.
The law I'm referring to is a ND law under statute 05-01.086 in which a underage person calling for the safety of another person is protected from receiving minors.
Keep in mind i smelled like alcohol and admitted to drinking at 3am (it was 930-10). I was not told what I blew when given the breathalyzer.
Also, the person who was a threat to himself was let go and given a minor without being taken for safety. However when my friends called the cops its was specifically stated that the cops were there to detain the person who was in danger.