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Smooth Muscle Actin (SMA)

What is Smooth Muscle Actin?

Smooth muscle antibodies (SMA) are certain antibodies that might attack its own actin (a protein present in your body). Actin is a protein found in the smooth muscles of your body, mostly found in the liver. The smooth muscle actin test detects the amount of antibodies present against the actin.

Sample Type

The sample type collected for Smooth Muscle Actin is: Blood

Preparation for Smooth Muscle Actin

  • No special preparation required

Why Get Tested for Smooth Muscle Actin?

  1. To diagnose any form of autoimmune disease that might be present
  2. To differentiate these diseases from the other causes of liver injury
  3. The test should be carried out when following symptoms are observed dark urine, abdominal swelling, pale colored stool and enlarged liver

Provided By



We at CORE Diagnostics are a renowned pathology testing laboratory & a premier institute in the country capable of providing varied diagnostic tests & facilities in the field of laboratory medicine and have established state-of-art testing facilities in Gurgaon. We are a Clinical laboratory focused on Next Generation Diagnostics for disease stratification and therapy selection. We are focused on bringing the most advanced testing techniques and expertise to India and aim to become the destination for all your high-end diagnostic needs.

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