Insurance sucks

Well I went for my appointment with pain management yesterday.  The PA I saw was great.  She was very nice and actually appreciated that I brought a printout describing my condition and a sheet with all the treatments I have already tried.  She wants to do a nerve conduction study for the nerves in my neck and also an MRI of my neck.  The insurance company requires preauthorization for MRI and they did not give it when the request was made.  They called the facility wanting to know how long I have been taking my pain medication.  What in the world does that have to do with whether or not I need an MRI done?  Now I have another thing to wait on, which is whether or not they will give authorization to do the MRI.  I wish I did not have to mess with this insurance company but it does beat paying cash for everything I guess, which there is no way I would be able to pay for all of these tests and doctor visits.  I just wish they would pay for things my physicians believe that I need without all of the crap we have to go through to do it.