The firm had been notified by the exchange in August that it failed to meet a listing requirement calling for a minimum $1 bid price on its stock.
The company is developing a test based on computational quantitation of a subtype cells called MDSCs, which play a role in the tumor microenvironment.
The instrument, which the company is launching this week at the AACC annual meeting, allows for measurement of up to 12 parameters in individual cells.
The company's new FACSLyric flow cytometer system is for use with BD Multitest assays for assessing suspected immunological deficiencies in patients.
A Quest spokesperson confirmed the acquisition of Dignity Health Sierra Nevada Memorial Hospital, the latest in a string of buys by the clinical laboratory giant.
The test, the agency said, is the first authorized by it for use with flow cytometry to detect leukemias and lymphomas.
The deal covers Streck's cell stabilization and molecular products, including the soon-to-be released Zulu RT, a rapid real-time PCR instrument.
The ASPIRE algorithm uses cell phenotype information from bone marrow samples to predict which patients will relapse and which will go into remission.
At the American Association for Clinical Chemistry meeting, Theranos CEO Elizabeth Holmes said her company is working on third-party review and publications of the firm's technologies and tests.