Lots more information needed here including your current work situation, age, wages, and future medical treatment. The rating really means very little. Talk to a board certified workers comp specialist. My office is in Cary and I would be glad to provide a free consultation.
He will have to prove his employment placed him at increased risk compared to the general public for developing the condition, and that his employment in fact substantially contributed to him developing the condition. The fact he has already seen his physician doesnt matter. What he told that physician may matter a lot.
Was this an on-the-job injury? This is the workers' compensation forum. If you were not working at the time of the accident, or maybe on the way to or from work, you might want to post this at the personal injury or automobile accident forums.
Tricky. First you need get a lawyer on board to help you with this denied claim. A lawyer will take a percentage of what he or she gets for you, so at this point you have nothing to lose. I would focus more on getting the claim in order at this point. As far as a job search, it never hurts. But you are going to need to do this under the guidance of somebody who knows how to talk you through it. Call a Board Certified Workers' Comp Specialist in your area to help you with your case.
"I was told since I have not been with the company for a year I only get 30 days job protection."
That part right there is enough for me to say you need to at least get a free consultation with a workers' comp lawyer. The blog link below may also help. Talk to a board certified workers' comp expert in your area.