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EXHIBIT 21.
SUBSIDIARIES OF THE REGISTRANT
NAME OF SUBSIDIARY STATE OF INCORPORATION
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InSight Health Corp. Delaware
Mississippi Mobile Technology, Inc. Mississippi
Radiosurgery Centers, Inc. Delaware
Maxum Health Corp. Delaware
Quest Financial Services, Inc. Delaware
Maxum Health Services Corp. Delaware
Diagnostic Solutions Corp. Delaware
Maxum Health Services of North Texas, Inc. Texas
Maxum Health Services of Arlington, Inc. Texas
Maxum Health Services of Dallas, Inc. Texas
MTS Enterprises, Inc. Texas
NDDC, Inc. Texas
Open MRI, Inc. Delaware
Radiology Services Corp. Delaware
Signal Medical Services, Inc. Delaware