Lumos Diagnostics expands FebriDx rollout to an additional 97 WellStreet urgent care clinics

Lumos Diagnostics Chief Commercial Officer Paul Kase joined Steve Darling from Proactive to discuss the expansion of the company's FebriDx rapid diagnostic test across an additional 97 WellStreet Urgent Care locations, bringing the total number of participating clinics in the network to 141.
FebriDx is a rapid point-of-care diagnostic test that uses a fingerstick blood sample to help healthcare professionals distinguish between bacterial and non-bacterial infections. The test is designed to support clinical decision-making, particularly when assessing patients with respiratory infections.
Lumos began its relationship with WellStreet through a single-site pilot agreement in Atlanta, Georgia, in October 2025. WellStreet is one of the largest urgent care networks in the United States, operating more than 200 clinics and managing over 1 million acute respiratory infection presentations annually.
Kase told Proactive that the expanded rollout is expected to increase the total number of US sites using FebriDx to 365 once implementation is complete. The expansion represents a significant step in Lumos' commercial growth strategy, increasing the test's reach in one of the world's largest point-of-care diagnostics markets.
The broader deployment also provides further commercial validation for FebriDx, while giving Lumos access to a substantial volume of respiratory infection presentations through WellStreet's established clinic network.
Lumos and WellStreet anticipate extending FebriDx testing across all of WellStreet's more than 200 locations and markets by December 31, 2026. The wider rollout would put the test within reach of a healthcare network handling more than 1 million acute respiratory presentations each year.
Lumos will continue to support implementation across the additional clinics as WellStreet integrates FebriDx into its standardized triage protocols.
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