Late but USA, wanted to share a personal experience. While at work I collapsed and had to take an ambulance to the hospital. I got sent the bills for everything. Including the ambulance ride. I stayed in the hospital overnight for observation. They couldn’t figure out what happened and I didn’t have symptoms anymore so I was discharged. Whole event cost maybe $500.
Here’s the kicker, I work(ed) as a paramedic for the ambulance company that transported me. I had insurance that was not from the company so prices were reasonable relative to what one would expect in the country. Had I been insured through work, well, the insurance provided by the company doesn’t cover transport by that company’s ambulance.
Believe it or not, it is assuming the pelvis is present, it is very easy to determine sex. Just look at the pubic arch, just inferior (below) the pubic symphysis. Narrow (less than 90 degrees) is male wide (more than 90 degrees) is female. There are a few other details like the shape of the iliac crest and the size of the pubic cavity but the pubic arch is the simplest.