LOS ANGELES--(BUSINESS WIRE)--Primedex Health Systems, Inc. (OTCBB:PMDX), a leader in California in providing high-quality, cost-effective diagnostic imaging services through a network of fully-owned and operated outpatient imaging centers, today reported that its S-4 Registration Statement had been declared effective and was currently in process to be mailed to stockholders of record as of October 6, 2006.
