In This Issue:

- CMS Releases Proposed ACO Rule

- U.S. Antitrust Enforcement Agencies Release Policy Statement Regarding ACOs

- CMS/OIG Notice Regarding Waiver Designs in Connection with the Medicare Shared Savings Program and the Innovation Center

- IRS Notice 2011-20.

- CMS to Change Rule Requiring Physician Signatures on Clinical Diagnostic Lab Tests

- CMS Removes Restrictions on Investments By Captive Insurers

- CMS Issues Additional Guidance On Suspension of Medicaid Payments Pending An Investigation Of A Credible Allegation of Fraud

- DOJ Expands Blue Cross Antitrust Investigation

- Supreme Court Rules Safety Net Hospital Cannot Sue Under 340B Agreements

- King & Spalding Upcoming Roundtable on ACOs on April 15, 2011

and links.