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Comprehensive autoimmune testing at scale

With tailored testing solutions and an extensive autoimmune portfolio, Quest testing can support screening, diagnosis, treatment decisions, and ongoing monitoring for more than 80 autoimmune diseases like Rheumatoid arthritis, lupus, Sjögren syndrome, IBD, celiac disease, and more.

Our broad autoimmune portfolio includes:

  • Single-biomarker tests
  • Multi-disease panels
  • More than 150 specialty tests and comprehensive panels
  • Test selection and other expert assistance across the autoimmune continuum

Beyond testing:
expertise and intuitive experiences

With 600 medical and scientific experts on staff and ready to support your testing needs from autoimmune and beyond. We are more than a diagnostics service--we are part of your team. Quest taps into the latest clinical information based on up-to-date guidelines and innovative testing methodologies, empowering positive patient outcomes.

Find an autoimmune test

Innovation with purpose

Gaining access to esoteric and routine tests from one comprehensive diagnostics provider can help save time and money, while driving operational efficiencies. Click below to see our autoimmune portfolio, built with health system needs in mind.

Clinical Indication Overview Featured tests or panels
Rheumatoid arthritis, antiphospholipid syndrome (APS), Siögren syndrome, systemic sclerosis, polymositis, lupus, mixed connective tissue disease, AI thyroid diseases  Screens for 8 of the most common AI conditions; helps to diagnose complex cases with overlapping symptoms. 

ANAlyzeR™ ANA IFA with reflex to Titer/Pattern, Systemic AI

Single biomarker components also available separately

Myositis Aids in diagnosis of more autoimmune myopathies than most standard panels; Includes HMGCR + cN-1A. 

Extended Myositis Specific Antibody (MSA) Panel

Single biomarker components also available separately

Clinical Indication Overview Featured Test or Panel
IBD 30+ specialty tests to support IBD care from differential diagnosis, disease monitoring, and treatment monitoring. 

Level + anti-drug: 

  • Adalimumab Gastro
  • Infliximab Gastro
  • Ustekinumab: Limited access code: ask your Quest representative for more information
  • Vedolizumab: Limited access code: ask your Quest representative for more information


Exocrine pancreatic insufficiency Supports differential diagnosis (eg, from IBS, IBD, celiac), and disease monitoring

Pancreatic Elastase


Lab leaders are critical to improving patient outcomes

The right autoimmune test at the right time can lead to improved chances for remission— and help prevent permanent joint and organ damage. Optimizing your testing with Quest benefits patients, healthcare providers, and everyone in-between.



Early diagnosis and identification of autoimmune disorders can lead to the right treatment sooner


people living with autoimmune diseases in the U.S.


of Americans who have autoimmune diseases have more than one


Prevalence of readmission for patients with autoimmune disease 

Improved financial, operational, and clinical outcomes start here

When you consolidate your autoimmune diagnostics with Quest, you can remove the barriers of disconnected services and complicated processes and focus on growing one reliable relationship that meets your needs across the board.

You can trust Quest to:


Your Quest representative is only a phone call away

Let’s discuss how we can work together to find the best solutions for your autoimmune diagnostic needs.


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