Quest Diagnostics conducts laboratory testing and diagnostics to provide medical information and support in Champaign, IL.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Quest Diagnostics broke down on May 3, 2026.
Quest Diagnostics is indexed in Operator's Laboratorytesting market index for Champaign, IL.
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The Laboratorytesting shops Quest Diagnostics competes with most often, ranked by Operator's health score. Tap any row for that shop's full page.
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