EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in the previously filed Registration Statement (Form S-8, No. 333-16123) of our report dated September 24, 1999, with respect to the consolidated financial statements of InSight Health Services Corp. included in the Form 10-K for the year ended June 30, 1999. /s/ ARTHUR ANDERSEN LLP Orange County, California September 24, 1999