What is an anti-cardiolipin antibody test?

An anti-cardiolipin antibody test is a blood test used to detect the presence of antibodies in the blood that attack cardiolipin, a type of phospholipid found in cell membranes. These antibodies are known as anti-cardiolipin antibodies (ACA) and are part of a group of autoantibodies known as antiphospholipid antibodies (APL).

The presence of ACA in the blood can indicate a number of conditions, including autoimmune disorders such as lupus, as well as antiphospholipid syndrome (APS). APS is an autoimmune disorder that affects the immune system's ability to regulate blood clotting, leading to an increased risk of blood clots in the veins and arteries.

The anti-cardiolipin antibody test is typically used as part of the diagnostic process for APS, along with other tests such as the lupus anticoagulant test and the beta-2 glycoprotein I antibody test. If a person tests positive for ACA, further testing may be necessary to confirm a diagnosis of APS.

It's important to note that not all people with ACA in their blood will develop APS, and not all people with APS will have detectable levels of ACA in their blood. The diagnosis of APS is based on a combination of clinical symptoms and laboratory test results.

What is the procedure for taking an anti-cardiolipin antibody test?

The anti-cardiolipin antibody (ACA) test is a blood test used to detect the presence of antibodies in the immune system that can target cardiolipin, a type of fat found in the lining of blood vessels. Elevated levels of ACA are associated with various autoimmune disorders and syndromes, such as antiphospholipid syndrome (APS).

If you suspect you may have an autoimmune disorder or syndrome, your healthcare provider may recommend an ACA test as part of the diagnostic process. Here is what you can expect during the procedure:

1. Preparation: You may be asked to fast for a few hours before the test, especially if other blood work is being done at the same time. Make sure to follow any specific instructions given to you by your healthcare provider.

2. Blood draw: The ACA test requires a simple blood draw, which is usually performed by a nurse or phlebotomist. A tourniquet will be placed around your upper arm to help locate a vein, and a sterile needle will be used to collect a small sample of blood.

3. Results: The blood sample will be sent to a lab for analysis. Results can take anywhere from a few days to a week or more, depending on the lab and the complexity of the test.

If your ACA test comes back positive, it may indicate the presence of an autoimmune disorder or syndrome. However, a positive result does not necessarily mean you have APS or another condition – further testing and evaluation may be necessary to make a definitive diagnosis. On the other hand, a negative result does not necessarily rule out the possibility of an autoimmune disorder or syndrome, as not all individuals with these conditions may have detectable levels of ACA in their blood.

How much does an anti cardiolipin antibody test cost in Delhi?

In Delhi, the price of an anti cardiolipin antibody test may vary depending on the laboratory or medical center where it is conducted. However, as per our research, the average cost of this test in Delhi is around INR 1500-2000.

It is important to note that prices may differ based on several factors, such as the laboratory's location, the test's complexity, and the type of test being performed. Moreover, some laboratories offer package deals or discounts for multiple tests, so it is worthwhile to inquire about these options.

When it comes to selecting a laboratory for an anti cardiolipin antibody test, it is advisable to choose a reputable and reliable provider. Be sure to check the laboratory's credentials and read reviews from previous customers to ensure that you receive accurate and timely results.

In conclusion, the average cost of an anti cardiolipin antibody test in Delhi is approximately INR 1500-2000, but prices may vary based on several factors. It is crucial to select a credible laboratory to ensure that you receive accurate and reliable results.

What is the sensitivity and specificity of an anti cardiolipin antibody test?

The anti cardiolipin antibody test is a blood test used to detect the presence of antibodies that target cardiolipin, a phospholipid found in the membranes of cells. This test is primarily used to diagnose antiphospholipid syndrome (APS), which is an autoimmune disorder that can cause blood clots, leading to various health complications.

The sensitivity and specificity of the anti cardiolipin antibody test can vary based on the type of test used and the laboratory performing the test. Generally, a sensitivity of 50-90% and a specificity of 95-100% are reported.

Sensitivity refers to the ability of the test to correctly identify individuals who have the condition being tested for. For example, a test with high sensitivity will correctly identify most people with APS as having the disease.

Specificity refers to the ability of the test to correctly identify individuals who do not have the condition being tested for. A test with high specificity will have a low rate of false positives, meaning that it will correctly identify individuals who do not have APS as negative.

It is important to note that a positive result on the anti cardiolipin antibody test does not necessarily mean that an individual has APS. Other factors, such as infections and

medications, can also cause a positive result. Therefore, additional testing and evaluation are usually required to confirm a diagnosis of APS.

DESCRIPTION – a cardiolipin antibody test looks for a certain kind of antibody in your blood. An antibody is a substance in your blood that helps fight off infection. The antibodies attack cardiolipins by mistake. Cardiolipin is a phospholipid, or a kind of fat in the blood that is important for blood clotting.

METHODOLOGY – semi-quantitative enzyme linked immunosorbent assay

TURN AROUND TIME – 1-2 days

SPECIMEN REQUIERED –

COLLECT – serum separator tube

SPECIMEN PREPARATION – separate the serum from cells within 2 hours of collection. Transfer 1 ml of serum to transport tube

STORAGE/TRANSPORT TEMPERATURE – refrigerated

STABILITY – ambient: 48 hours; refrigerated: 2 weeks; frozen: 1 year

UNACCEPTABLE CONDITION – plasma or other body fluids. Contaminated, heat-inactivated, hemolyzed or lipemic specimen

SPECIAL INSTRUCTIONS – clinical history is mandatory