The lab and its patients were formerly served by Providence Saint Joseph Medical Center.
Quidel's CEO said that the strategic acquisition adds an extensive cardiovascular and toxicology POC offering to the firm's medical diagnostics portfolio.
Investment banks Canaccord Genuity and Raymond James also raised their price targets on the company.
Quidel said that the purchases, expected to close in September, would give it an expanded portfolio of rapid diagnostic capabilities in critical care.
Headed by Nuclea's former Founder and CEO Patrick Muraca, NanoMolecular aims to commercialize cancer diagnostics including Nuclea's Her2/neu assay.
The clinical genetics and genomics testing firm said the funding will help as it seeks to consolidate its presence in international markets.
The anatomic pathology lab said it had assets of between $1 million and $10 million, and liabilities of between $50 million and $100 million.
CareDx's CareDx Pty subsidiary said it will pay up to $735,000 to Conexio as a percentage of revenues from products acquired in the deal.
The deal gives LabCorp seven patient service centers that will become part of its large network in the metropolitan New York area.