Sekisui Diagnostics, a manufacturer of medical testing tools, has leased 18,707 square feet at 4 Hartwell Place in Lexington.

Sekisui’s new space, which will house up to 85 employees, will take the place of the facility currently housed at 31 New York Ave. in Framingham (Genzyme facility). This entity was formerly the diagnostics division of Genzyme and was purchased by Sekisui Chemical in 2011.

"We are pleased to relocate Sekisui Diagnostics’ HQ to 4 Hartwell Place," Paul O’Connor, vice president of business administration at Sekisui Diagnostics, said in a statement. "We are grateful to Cassidy Turley FHO for helping us review our real estate options and are pleased with our selection decision. We are very excited to join the established and growing list of life science companies doing business in Lexington."

The building at 4 Hartwell Place is a one-story building with direct access to I-95 and Route 128. The property accommodates a range of uses from lab space to high-end research and development functions, according to a statement. Managing Principal Joe Fallon; Senior Managing Director, Principal Kevin Hanna; Senior Managing Director, Principal Mike Brown; and Associate Connor Barnes of Cassidy Turley FHO represented Sekisui Diagnostics in the transaction. Eric Smith, senior vice president at Richards Barry Joyce & Partners, represented the landlord, King Street Properties.

"We are pleased to add Sekisui Diagnostics to our impressive Lexington tenant roster, which includes T2 Biosystems, Quanterix and Abpro," said Stephen Lynch, principal at King Street Properties.