Specialists like rheumatologists and gastroenterologists support patients facing a vast array of overlapping symptoms. For confident diagnosis, you need the right test, at the right time. At Quest, our specialized testing, tailored solutions, and patient accessibility also help specialists like you collaborate to solve your most challenging cases – especially when they overlap.
Discover our full menu of specialized tests:
Clinical indication |
Overview |
Featured test or panels |
Rheumatoid arthritis, antiphospholipid syndrome (APS), Sjögren syndrome, systemic sclerosis, polymyositis, lupus, mixed connective tissue disease (MCTD), 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. Single biomarker components also available a la carte. |
Extended Myositis Specific Antibody (MSA) Panel Single biomarker components also available separately.
|
Interstitial lung disease (ILD) |
Offers simultaneous testing of biomarkers associated with autoimmune disorders (including connective tissue disorders) that may be an underlying cause for ILD. | Interstitial Lung Disease (ILD) Panel Single biomarker components also available separately. |
Lupus |
Curated panels or single biomarker menu to diagnose and monitor lupus. |
|
Rheumatoid arthritis |
Enables early diagnosis, helps identify patients who will develop RA in the future, and predicts risk of more severe RA. |
|
Sjögren syndrome |
Uses novel markers associated with early Sjögren’s syndrome |
Early Sjögren Syndrome Panel |
Systemic sclerosis (SSc) |
SSc-specific antibodies enable early diagnosis of patients with non-specific symptoms |
|
Therapeutic drug monitoring |
Supports biologic therapy prescription and monitoring with drug level and anti-drug antibody testing as a panel or individual components |
|
Ankylosing spondylitis |
Supports differential arthritis diagnosis |
|
Gout treatment planning |
Assesses likelihood of severe cutaneous adverse reactions (SCAR) in response to the drug Allopurinol |
Clinical Indication |
Overview |
Featured Tests or Panels |
IBD |
30+ specialty tests to support IBD care from differential diagnosis, disease monitoring, and treatment monitoring. | detailed below |
IBD |
Differential diagnosis |
|
IBD |
Disease monitoring |
|
IBD |
Therapeutic Drug Monitoring |
Level + anti-drug: Ustekinumab: Limited access code: ask your Quest representative for more information Vedolizumab: Limited access code: ask your Quest representative for more information Thiopurine:
|
Exocrine pancreatic insufficiency |
Supports differential diagnosis (eg, from IBS, IBD, celiac), and disease monitoring |
|
Autoimmune hepatitis |
Helps differentiate autoimmune hepatitis type 1 vs. type 2, and other types of hepatitis and primary biliary cholangitis (PBC) |
Actin Antibody (Smooth Muscle) Liver Kidney Microsomal (LKM-1) antibody(IgG) Mitochondrial Antibody (AMA) with reflex to Titer |
Celiac |
Antibody and genetic testing to support diagnosis and monitoring |
Celiac Disease panels: Single components also available separately.
Genetic tests: HLA-DQA1 Low Resolution Typing HLA-DQB1 Low Resolution Typing
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Optimizing autoimmune care teams starts with having 1 shared diagnostics partner. Quest supports specialists in coordinating care by providing insights and data on diagnostic trends, creating a more comprehensive view into patients' health so that you and your peers can guide them to a better future.
Go beyond our testing portfolio and you'll find expertise and intuitive experiences that optimize diagnostics.
Celiac disease and IBD share many signs and symptoms.Testing for both conditions can help patients with vague or overlapping symptoms connect to the right treatment faster. Download our IBD guide to learn more about our broad menu including antibody and genetic testing.
Because no single test provides results for definitive diagnosis for rheumatic disease, Quest helps cut through complexity of overlapping and varied symptoms with comprehensive panels or single biomarker tests.
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