High Sensitive CRP (hsCRP)
- C1110
Rs 770
- Why Get Tested?
To help assess your risk of developing cardiovascular disease - When To Get Tested?
No current consensus exists on when to get tested; hs-CRP is often ordered in conjunction with other tests that are performed to assess risk of heart disease, such as a lipid profile (cholesterol, triglycerides, HDL-C, LDL-C) when your healthcare provider would like additional information on your risk. - Sample Type:SERUM (SST or Plain)
- Fasting :NO
- Report Delivery:within 48 Hrs of Test Schdule
- Components:1 Observations
Tests Detail
| Observations Included |
| High Sensitive CRP (hsCRP) |
| The Test marked with (*) are in our NABL Scope. |
Sample Report
- Also Known As:
hsCRP High-sensitivity CRP Ultra-sensitive CRP Cardiac CRP CRP for heart disease - Formal Name:
High-sensitivity C-reactive Protein - Sample Instructions:
A blood sample drawn from a vein in your arm - Test Preparation Needed?
You may be instructed to fast for 9-12 hours before the blood sample is taken if a lipid profile also is going to be done at the same time. You should be healthy at the time of the sample collection, without any recent illnesses, infections, inflammation, or injuries. - What Is Being Tested?
C-reactive protein (CRP) is a protein that increases in the blood with inflammation and infection as well as following a heart attack, surgery, or trauma. Thus, it is one of several proteins that are often referred to as acute phase reactants. The high-sensitivity CRP test measures low levels of CRP in the blood to identify low levels of inflammation that are associated with risk of developing cardiovascular disease (CVD). There are two different tests that measure CRP and each test measures a different range of CRP level in the blood for different purposes: The standard CRP test measures markedly high levels of the protein to detect diseases that cause significant inflammation. It measures CRP in the range from 10 to 1000 mg/L. The hs-CRP test accurately detects lower levels of the protein than the standard CRP test and is used to evaluate individuals for risk of CVD. It measures CRP in the range from 0.5 to 10 mg/L. It is now believed that a persistent low level of inflammation plays a major role in atherosclerosis, the narrowing of blood vessels due to build-up of cholesterol and other lipids, which is often associated with CVD. CVD causes more deaths in the U.S. each year than any other cause, according to the American Heart Association. A number of risk factors, such as family history, high cholesterol, high blood pressure, being overweight or diabetic, have been linked to the development of CVD, but a significant number of people who have few or no identified risk factors will also develop CVD. This fact has lead researchers to look for additional risk factors that might be either causing CVD or that could be used to determine lifestyle changes and/or treatments that could reduce a person's risk. High-sensitivity CRP is one of a growing number of cardiac risk markers that are used to help determine a person's risk. Some studies have shown that measuring CRP with a highly sensitive assay can help identify the risk level for CVD in apparently health - How Is It Used?
A high-sensitivity C-reactive protein (hs-CRP) test may be used to help evaluate an individual for risk of cardiovascular disease (CVD). It may be used in combination with a lipid profile or with other cardiac risk markers, such as a lipoprotein-associated phospholipase A2 (Lp-PLA2) test, to provide added information about heart disease risk. CRP is a protein that increases in the blood with inflammation. Studies have suggested that a persistent low level of inflammation plays a major role in atherosclerosis, the narrowing of blood vessels due to build-up of cholesterol and other lipids, which is often associated with CVD. The hs-CRP test accurately measures low levels of C-reactive protein to identify low but persistent levels of inflammation and thus helps predict a person's risk of developing CVD. High-sensitivity CRP is thought by some experts to be a useful test for determining risk of CVD, heart attacks, and strokes and that hs-CRP can play a role in the evaluation process before a person develops one of these health problems. Some say that the best way to predict risk is to combine a good marker for inflammation, like hs-CRP, with the lipid profile. Several groups have recommended that this test be used for people who have a moderate risk of heart attack over the next 10 years. However, not all health professionals agree on hs-CRP's usefulness. Clinical trials that involve measuring hs-CRP levels are currently underway in an effort to better understand its role in cardiovascular events. These studies will help to form and refine guidelines on its use in screening and treatment decisions. - When Is It Ordered
Currently, there is no consensus on when to get tested, though some guidelines include recommendations on hs-CRP testing. For example, a guideline from the American College of Cardiology Foundations and the American Heart Association says that hs-CRP testing may be useful when men 50 years old or younger and women 60 years old or younger have intermediate risk. It also may be useful for treatment decisions when men and women are older than these respective ages and have LDL-C less than 130 mg/L and meet several other criteria, such as no existing heart disease, diabetes, kidney disease, or inflammatory conditions. When hs-CRP is evaluated, it may be repeated to confirm that a person has persistent low levels of inflammation. - What Does The Test Result Mean?
Relatively high levels of hs-CRP in otherwise healthy individuals have been found to be predictive of an increased risk of a future heart attack, stroke, sudden cardiac death, and/or peripheral arterial disease, even when cholesterol levels are within an acceptable range. People with higher hs-CRP values have the highest risk of cardiovascular disease and those with lower values have less risk. Specifically, individuals who have hs-CRP results at the high end of the normal range have 1.5 to 4 times the risk of having a heart attack as those with hs-CRP values at the low end of the normal range. The American Heart Association and U.S. Centers for Disease Control and Prevention have defined risk groups as follows: Low risk: less than 1.0 mg/L Average risk: 1.0 to 3.0 mg/L High risk: above 3.0 mg/L These values are only a part of the total evaluation process for cardiovascular diseases. Additional risk factors to be considered are elevated levels of cholesterol, LDL-C, triglycerides, and glucose. In addition, smoking, high blood pressure (hypertension), and diabetes also increase the risk level. - Is There Anything Else I Should Known?
Taking nonsteroidal anti-inflammatory drugs (NSAIDs, e.g., aspirin, ibuprofen, and naproxen) or statins may reduce CRP levels in blood. Both anti-inflammatory drugs and statins may help to reduce inflammation, thus reducing CRP. It is important that any person having this test be in a healthy state for the results to be of value in predicting the risk of coronary disease or heart attack. Any recent illness, tissue injury, infection, or other general inflammation will raise the amount of CRP and give a falsely elevated estimate of risk. Women on hormone replacement therapy have been shown to have elevated hs-CRP levels. Since the hs-CRP and CRP tests measure the same protein, people with chronic inflammation, such as those with arthritis, should not have hs-CRP levels measured. Their CRP levels will already be very high due to the arthritis, so results of the hs-CRP test will not be meaningful.
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