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Exhibit 23

Consent of Independent Registered Public Accounting Firm

        We consent to the incorporation by reference in the following Registration Statements of Magellan Health Services, Inc.:

Form	Registration Number		Date Filed
S-8		333-174315		5/18/2011
S-8		333-174314		5/18/2011
S-8		333-151509		5/20/2008
S-8		333-141056		3/05/2007
S-8		333-134202		5/17/2006
S-8		333-134201		5/17/2006
S-8		333-134199		5/17/2006
S-8		333-123222		3/09/2005

of our reports dated February 28, 2013, with respect to the consolidated financial statements and schedule of Magellan Health Services, Inc., and the effectiveness of internal control over financial reporting of Magellan Health Services, Inc., included in this Annual Report (Form 10-K) of Magellan Health Services, Inc. for the year ended December 31, 2012.

/s/ ERNST & YOUNG LLP

Baltimore, Maryland
February 28, 2013

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Exhibit 23

Consent of Independent Registered Public Accounting Firm