Know More About This Test

HS-CRP measures very low levels of C-reactive protein in blood.

CRP is produced by the liver in response to inflammation.

hs-CRP is more sensitive than routine CRP.

Primarily used for cardiovascular risk assessment.

Detects chronic, low-grade inflammation.

Why Is This Test Recommended?

• Assess future risk of heart attack or stroke

• Evaluate chronic inflammatory conditions

• Risk stratification in apparently healthy individuals

• Monitoring lifestyle or statin therapy effectiveness

• Family history of premature heart disease

Understanding HS-CRP Levels

• <1 mg/L → low cardiovascular risk

• 1–3 mg/L → moderate risk

• 3 mg/L → high cardiovascular risk

• Acute infections can falsely elevate levels

• Interpretation must exclude recent illness

Symptoms or Conditions Requiring Testing

• No obvious symptoms (preventive test)

• Metabolic syndrome

• Obesity or smoking

• Diabetes or hypertension

• Sedentary lifestyle

Preparation and Procedure

• No fasting required (preferred fasting if combined with lipid tests)

• Blood drawn from vein

• Avoid testing during fever/infection

• Simple, low-risk procedure

• Results usually within 24 hours

Interpretation & Clinical Use

• Elevated HS-CRP indicates vascular inflammation

• Helps guide preventive therapy

• Not diagnostic of heart disease alone

• Used along with lipid profile

• Repeat testing confirms baseline risk

FAQs

• Is hs-CRP the same as CRP? No, hs-CRP is a more sensitive version of the standard CRP test, capable of detecting much lower levels of inflammation, which makes it particularly useful for assessing cardiovascular risks rather than acute infections.

• Can exercise raise hs-CRP? Yes, intense exercise can temporarily raise hs-CRP levels due to muscle inflammation, but this effect is short-lived and does not reflect chronic vascular risk.

• Is it used for infection diagnosis? No, hs-CRP is primarily for evaluating low-grade, chronic inflammation related to heart disease risk, whereas standard CRP is better suited for diagnosing acute infections or inflammatory conditions.

• Should it be repeated? Yes, repeating the hs-CRP test after 2-4 weeks helps establish a reliable baseline by ruling out temporary elevations from factors like minor illnesses or stress.

• Can it be lowered? Yes, hs-CRP levels can often be lowered through lifestyle changes like regular exercise, a heart-healthy diet, quitting smoking, and medications such as statins if prescribed by a doctor.