AVISE® CTD is a blood test that can help doctors diagnose lupus and other autoimmune diseases — like rheumatoid arthritis, Sjögren's syndrome, or scleroderma.

How accurate is the Avise test?

The Avise Lupus test had excellent performance characteristics, as compared to the physician's diagnosis, with sensitivity of 83.3%, specificity of 86.4%, positive predictive value of 87.0%, and negative predictive value of 82.6% (positive likelihood ratio: 6.125 and negative likelihood ratio: 0.19).

How accurate is the Avise CTD test?

High levels of EC4d, B-cell-bound C4d (BC4d) and platelet-bound C4d (PC4d) can differentiate SLE from other CTDs with 56%–72% sensitivity and 80%–98% specificity, and from healthy individuals with 60%–81% sensitivity and 91%–100% specificity.

What does Avise test for?

The AVISE CTD test is ideal for patients who:

Have tested negative for traditional lupus tests and have a clinical suspicion of lupus. Have fibromyalgia or another condition and are concerned they may be developing an autoimmune rheumatic condition.

What does Avise lupus index mean?

AVISE^® Lupus is a 10-marker diagnostic test containing Cell-Bound Complement Activation Products (CB-CAPs) and SLE associated markers designed to aid healthcare providers in a timely differential diagnosis of SLE.

AVISE CTD - Advanced Autoimmune Rheumatic Disease Test

What does Avise test show?

AVISE® CTD is a blood test that can help doctors diagnose lupus and other autoimmune diseases — like rheumatoid arthritis, Sjögren's syndrome, or scleroderma.

How long does the Avise test take?

How long does it take to get results? AVISE CTD results are provided to the ordering physician within 5 business days from receipt of the sample. How was AVISE CTD developed and validated? AVISE CTD was developed after 15 years of research by Exagen and collaborators.

How do I get my Avise results?

1. Step 1: Download the letter for your physician and bring it to your next appointment. Download Letter.
2. Step 2: Your doctor orders the test. ...
3. Step 3: Test results will be sent to your physician within 5 business days.

What is a CDT blood test?

The carbohydrate-deficient transferrin (CDT) is an alcohol biomarker test. 1 It can be used to detect if someone is a binge drinker or a daily heavy drinker (four or more drinks a day). It can even be used to determine if an alcoholic has had a relapse.

What is a CTD screen?

CTD Screen gives an in vitro qualitative measurement of antinuclear IgG. antibodies in serum, as an aid to clinical diagnosis. ANA is not useful for screening normal populations as false positives are common in the elderly and unwell, especially at low titres.

What is Avise SLE prognostic?

AVISE SLE Prognostic: The AVISE SLE Prognostic test is a 10-marker panel developed to help assess an SLE patient's risk for their potential risk for thrombosis, cardiovascular events, lupus nephritis and neuropsychiatric lupus.

What is a Vectra blood test?

Vectra^® is an advanced blood test for rheumatoid arthritis (RA) disease activity. Vectra measures the levels of 12 protein biomarkers known to be important in RA and combines these levels into a single score, which can be used to provide a quantitative measure to objectively assess and track RA disease activity.

What is Ana IGG?

What is an ANA (antinuclear antibody) test? An ANA test looks for antinuclear antibodies in your blood. If the test finds antinuclear antibodies in your blood, it may mean you have an autoimmune disorder. An autoimmune disorder causes your immune system to attack your own cells, tissues, and/or organs by mistake.

What are the worst autoimmune diseases?

• Autoimmune myocarditis.
• Multiple sclerosis.
• Lupus.
• Type 1 diabetes.
• Vasculitis.
• Myasthenia gravis.
• Rheumatoid arthritis.
• Psoriasis.

Can low vitamin D cause positive ANA?

The authors noted a linear relationship wherein patients with severe vitamin D deficiency demonstrated 2.99 increased in odds of receiving a positive ANA test, while those patients that were deficient and insufficient had just twice the increase in odds of a positive ANA [19].

What are the 11 criteria for lupus?

The ACR criteria include malar rash; discoid rash; photosensitivity (development of a rash after sun exposure); oral or nasal ulcers; arthritis of multiple joints; serositis: (inflammation of the lining around the lungs or heart); kidney disease indicated by protein or casts in the urine; neurological disorders such as ...

What is normal CDT?

The normal value of the serum CDT concentration is under 60 mg/liter; a value between 60 and 100 mg/liter indicates probable alcoholism, and a value > 100 mg/liter indicates a very high probability of alcoholism (specificity: 99%).

How do I get my CDT levels back to normal?

The CDT test can thus detect heavy alcohol consumption over a long period of time and is a measure of chronic alcohol consumption. If a person stops drinking, the CDT levels will return to normal levels within 4 weeks. If they start drinking again, the levels will once again rise.

How quickly do CDT levels return to normal?

CDT has a long half-life of 15 days. Under conditions of total abstinence it may take 1-2 months for %CDT levels to return to normal.

What is Avise SLE monitor?

AVISE SLE Monitor is a unique combination of 6 specialized biomarkers including EC4d and PC4d, to help assess patients with SLE. The Specialized SLE Disease Monitoring Test Clinically Proven To Correlate With SLE Disease Activity.

What's connective tissue disease?

A connective tissue disease is any disease that affects the parts of the body that connect the structures of the body together. Connective tissues are made up of two proteins: collagen and elastin. Collagen is a protein found in the tendons, ligaments, skin, cornea, cartilage, bone and blood vessels.

What is antinuclear antibodies direct?

The Antinuclear antibodies (ANA) direct blood test from Walk-In Lab is a cheap and convenient test that can be ordered online, and results are delivered within one to two days. When functioning properly, the body's immune system attacks and destroys foreign substances such as bacteria and viruses.

What is included in an autoimmune panel?

Autoimmune tests may include anti-dsDNA, anti-RNP, anti-Smith (or anti-Sm), anti-Sjogren's SSA and SSB, anti-scleroderma or anti-Scl-70, anti-Jo-1, and anti-CCP. Antibody against cardiolipin also may be tested. If you have several of these antibodies—or have them in high amounts—you may have an autoimmune disease.

What connective tissue does lupus affect?

Systemic lupus erythematosus (SLE) is a chronic disease that causes inflammation in connective tissues, such as cartilage and the lining of blood vessels, which provide strength and flexibility to structures throughout the body.

What test does a rheumatologist do for lupus?

Lab Tests the Doctor Might Run

Rheumatologists also look for certain antibodies, or proteins, in the serum in your blood to help diagnose lupus, says Kramer. In healthy people, antibodies fight off foreign invaders such as viruses, bacteria, and fungi.