Option Care Health (OPCH) S-4 Registration of securities issued in business combination transactions

Exhibit 23.4

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption “Experts” in the Registration Statement (Form S-4 No. 333-00000) and related Joint Proxy Statement/Prospectus of MIM Corporation and Chronimed, Inc. for the registration of shares of MIM Corporation common stock and to the incorporation by reference therein of our report dated February 2, 2004, except for Note 18, as to which the date is March 4, 2004 with respect to the consolidated financial statements and schedules of MIM Corporation as of and for the years ended December 31, 2003 and 2002 included in its Annual Report (Form 10-K) for the year ended December 31, 2003, filed with the Securities and Exchange Commission.

	/s/ Ernst & Young LLP
MetroPark, New Jersey
September 15, 2004