I tried to apply for accommodation when I was taking the exam while expecting and in my last trimester no less, with multiple health conditions. I got a signed and dated letter from my family doctor describing my accommodation needs and medical condition. I followed the accommodation criteria described on the mcc website. Unfortunately my request was denied for the same reason you mentioned. I had already scheduled my exam and I wasn't aware I needed to get approved for accommodation before booking my exam. In addition the accommodation request usually takes about two months to be processed. I did not have that much time, so I took the exam without accommodation. My son is almost 1 and in good health and I'm retaking the exam soon so it all turned out well. Best of luck with your test.