Is it illegal for a hospital to call the Department of Social Services on you without supporting documentation?

Question Details: I just recently gave birth. At my first prenatal visit 8 months ago, I was asked questions about my previous health history. One of the questions I was asked was have I ever smoked before and I answered honestly, yes I've smoked marijuana before but I don't smoke at all anymore. In July my dr asked was it alright to do a drug test on me since I told them that I had smoked before I agreed to the test because I don't smoke at all or do any drugs. The test was negative. I went in labor 5 days ago and the nurse asked me was it alright to do another drug test. I said yes, it was okay. Those results were also negative. All my test results were sent to my chart. After I had my son I was taken to my room where I would be staying a few days and a nurse came in and said she had to get urine from my son so she put a plastic bag over my sons private area with some cotton balls and told me to let them know when he had urinated. It took a whole 24 hours for him to urinate. I never knew what the urine test was for until I was discharged 2 days ago and someone knocked on my door from DSS saying they had got a report from someone at the hospital about me previously smoking marijuana. The woman that came out said it was false information and I feel like my rights were violated as a mother. I filed a complaint against the hospital as well. I had to print the test results off mychart and email them to the woman that came out to prove everything. I need some advice on what to do?

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