For more information about simple and complex expressions, where you can use expressions, and the types of references that you can include in an expression, see topics under Expressions (Report Builder and SSRS) .
PA is Physician's Assistant, C means he is certified, and the MS means he holds a master's degree. I would think this person is well qualified to give most medical advice. He would work directly under a physician and report to him. JuliusHere Â· 9 years ago.
The DMECS (Dura ble Medical Equipment Coding System) is an online application that will provide. Healthcare Common Procedure Coding System (HCPCS) coding assistance and national pricing. information 24 hours a day. DMECS is designed to help Medicare providers and suppliers quickly.