TARRYTOWN, N.Y.--(BUSINESS WIRE)--Siemens Medical Solutions Diagnostics (www.usa.siemens.com/medical) announced today that it has been awarded an agreement with Novation, the healthcare contracting services company of VHA Inc. and the University HealthSystem Consortium (UHC), two national health care alliances to provide chemistry, immunochemistry and automation solutions to VHA, UHC and Healthcare Purchasing Partners International (HPPI) members. This agreement signifies the continued growth between Siemens and Novation and is effective July, 2007.