The LCD will enable coverage of Envisia in patients for whom imaging does not lead to a definitive diagnosis of idiopathic pulmonary fibrosis.
The company posted $25.8 million in revenues for the quarter, up from $19.6 million a year ago, as total genomic test volume grew 28 percent to 9,154 tests.
The 360Dx Index was up 12 percent last month as shares of Accelerate Diagnostics, Veracyte, and Exact Sciences each improved more than 40 percent month over month.
OraSure CEO Stephen Tang discussed the firm's plans for international expansion, while Meridian CEO Jack Kenny said the firm needs to develop a new MDx platform.
Veracyte plans to launch a new version of its Percepta test and present data for a nasal swab lung cancer diagnostic this year.
The improvement in the 360Dx Index was modest compared to 2017, but it still outpaced the broader markets, which fell dramatically in the last month of the year.
Veracyte was the only company in the 360Dx Index whose stock price rose last month while NantHealth, NeoGenomics, and Accelerate Diagnostics saw sharp declines.
The company said that 20 medical centers in the US are now offering the Envisia Genomic Classifier through an early-access program begun in May.
Just five of the 28 firms in the 360Dx Index saw their share prices rise last month. Veracyte led the gainers, while Accelerate Dx had the sharpest decline.
The firm said genomic testing volume rose 23 percent year over year, and raised its revenue guidance for full-year 2018.