Thermo Fisher Scientific has completed the previously announced sales of its two laboratory-testing services businesses, Athena Diagnostics and Lancaster Laboratories, in two separate transactions, resulting in total proceeds of $940 million.

Athena Diagnostics, based in Worcester, Massachusetts, USA, has been sold to Quest Diagnostics for $740 million. The company is a reference laboratory that provides comprehensive diagnostic testing for neurological and other diseases.

Lancaster Laboratories, based in Lancaster, Pennsylvania, USA has been sold to Eurofins Scientific SE for $200 million, subject to a post-closing adjustment. The laboratory provides contract-testing services for pharmaceutical, biopharmaceutical and environmental sciences customers.