Smooth Muscle Antibody

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Also known as: SMA; Anti-Smooth Muscle Antibody; ASMA
Formal name: Smooth Muscle Antibody
Related tests: Antinuclear antibody (ANA); Aspartate aminotransferase (AST); Bilirubin; Antimitochondrial antibody (AMA); F-Actin Antibody; Anti-cytoskeleton antibodies (ACTA); Liver Kidney Microsomal (LKM) antibodies

At a Glance

Why Get Tested?

To help diagnose autoimmune hepatitis and distinguish it from other causes of liver injury or disease

When to Get Tested?

When a patient has hepatitis or a liver disorder that the doctor suspects may be due to an autoimmune-related process

Sample Required?

A blood sample taken from a vein in your arm

Test Preparation Needed?

None