You can hide inactive users on the schedule by adjusting your filters: https://help.practicefusion.com/s/article/How-can-I-hide-inactive-users-in-the-Schedule
As of 12/3/2015, we have deployed this feature to all Practice Fusion practices, now including attaching structured lab results. You can learn how to use this new feature here:
http://knowledgebase.practicefusion.com/knowledgebase/articles/608556Doreen Zuk commented
Definitely need to attach lab results with encounters for referrals. Most specialists require patients lab results. This would cut out extra steps.