San Diego-based XIFIN, a developer of cloud-based software for the healthcare diagnostics market, has been acquired by private equity investor GTCR. Financial terms of the buy were not disclosed. GTCR said that founder and CEO Lale White will continue to lead the company. XIFIN supplies its software in the molecular diagnostics, pain management/toxicology, anatomic pathology, radiology, hospital outreach, medical device and clinical laboratory markets. GTCR said the investment came from its $3.85 billion GTCR Fund XI, with additional funding provided by GE Capital and CapitalSource. GTCR was advised by Kirkland & Ellis LLP in the deal. XIFIN's backers include Boulder Ventures, Enterprise Partners, and Windward Ventures.