Please register to participate in our discussions with 2 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
A doctor would evaluate and determine if there is any permanent disability after reaching MMI. Most knee replacements would have little PD. I've seen legs amputated from the knee down due to complications. They won't have even close to the same disability.