HHS issues fraud alert concerning Dx lab payments to referring physicians; CardioDx wins Aetna coverage for CAD test;

> The Office of Inspector General of the U.S. Department of Health and Human Services has issued a fraud alert regarding how laboratory payments are made to referring physicians. Alert (PDF)

> Sophia Genetics raised $13.75 million in Series B financing designed to boost European adoption of clinical analytics for genetic diseases. Release

> CardioDx, a molecular diagnostics company, has obtained health insurance coverage approvals for its obstructive coronary artery disease test from both Aetna and Coventry Health. Release

> Five Senate Democrats want the White House to release for public comment a long-delayed FDA draft guidance on laboratory developed tests. Story

> Researchers at the Texas A&M Health Science Center College of Medicine, Stanford University and elsewhere have developed a promising new tuberculosis test that is quicker and costs little to use. Item