Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-110629 and No. 333-130484) and on Form S-8 (No. 333-39592, No. 333-42616, No. 333-47250, No. 333-84825, No. 333-88418, No. 333-88420, No. 333-90795, No. 333-110516, No. 333-120439 and 333-145332) of HLTH Corporation of our reports dated February 28, 2008, with respect to the consolidated financial statements and schedule of HLTH Corporation, and the effectiveness of internal control over financial reporting of HLTH Corporation, included in the Annual Report (Form 10-K) for the year ended December 31, 2007.

/s/ Ernst & Young LLP

MetroPark, New Jersey
February 28, 2008