Quest Diagnostics Inc.

Company Overview

Quest Diagnostics Inc. operates a network of laboratories and patient service centers, offering a wide range of routine, advanced, and molecular diagnostic tests. It is a clinical diagnostics company operating business through two segments- diagnostic information services (DIS) and diagnostic solutions (DS). The DIS business offers laboratory testing services, including routine clinical testing, gene-based and esoteric testing (including advanced diagnostics), COVID-19 testing, and anatomic pathology testing services. It offers molecular, biochemical, neuro-immunological, cytogenetic, and pharmacogenomic testing for the diagnosis of neurological conditions, including AD. The DS group includes risk assessment services businesses that offer solutions for insurers and healthcare IT businesses that provide solutions for healthcare providers and payers.

Financial Highlights (FY 2025)

Company's Business Segments

• Diagnostic Information Services (DIS) business : Discovery, Technology development and clinical validation of diagnostic tests
• Diagnostic Solutions (DS) business : Risk assessment services business offers solutions for insurers, Healthcare IT businesses offers solutions for healthcare providers and payers