Lab test · Immunology

Anti Smooth Muscle Antibody (ASMA)

The Anti Smooth Muscle Antibody (ASMA) Test is a blood test used to detect antibodies linked to autoimmune liver diseases, especially autoimmune hepa…
4.912,480+ patients have rated Prima
NABL-certified lab Free home collection Report in 24 hrs
ReportWithin 24 hrs
SampleBlood
CollectionHome or centre
FastingNot needed
How it works
1
Book in a minute
Add to cart, pick a date and time slot, pay online or at collection.
2
Sample collected at home or centre
A trained phlebotomist arrives in your slot with sealed, single-use kits.
3
Report on WhatsApp
Within 24 hours on WhatsApp and under My Orders.
Preparation
No special preparation needed unless your doctor advises otherwise.
About this test

The Anti Smooth Muscle Antibody (ASMA) Test is a blood test used to detect antibodies linked to autoimmune liver diseases, especially autoimmune hepatitis. It helps in early diagnosis and effective treatment planning.

ANTI SMOOTH MUSCLE ANTIBODY (ASMA) The Anti Smooth Muscle Antibody (ASMA) Test is a diagnostic blood test that detects antibodies targeting smooth muscle cells. These antibodies are commonly present in individuals with autoimmune liver disorders.This test is essential for identifying autoimmune hepatitis and other liver-related conditions at an early stage.

The Anti Smooth Muscle Antibody (ASMA) Test is performed to:

  • Detect Anti-Smooth Muscle Antibodies in the blood

  • Help diagnose autoimmune hepatitis

  • Evaluate unexplained liver inflammation

  • Monitor liver-related autoimmune disorders

  • Support early diagnosis and treatment planning

ANTI SMOOTH MUSCLE ANTIBODY (ASMA) Test Purpose

The Anti Smooth Muscle Antibody (ASMA) Test is performed to detect anti-smooth muscle antibodies in the blood. Primarily, the test is used to help diagnose autoimmune hepatitis, a condition in which the body's immune system mistakenly attacks liver cells. Additionally, it assists healthcare providers in evaluating individuals with unexplained liver inflammation, elevated liver enzymes, or suspected autoimmune liver disease. Furthermore, the ASMA Test helps differentiate autoimmune hepatitis from other causes of liver disease, such as viral hepatitis, alcoholic liver disease, and non-alcoholic fatty liver disease. Moreover, the results are interpreted alongside Antinuclear Antibody (ANA), Anti-Liver Kidney Microsomal (Anti-LKM) Antibody, liver function tests, imaging studies, and clinical findings to provide a comprehensive assessment.


ANTI SMOOTH MUSCLE ANTIBODY (ASMA) Test is Recommended for Individuals:

  • Individuals with suspected autoimmune hepatitis.
  • Patients with persistently elevated liver enzymes of unknown cause.
  • Individuals with unexplained liver inflammation.
  • People experiencing fatigue, jaundice, abdominal discomfort, or loss of appetite.
  • Patients with suspected chronic liver disease.
  • Individuals with other autoimmune disorders requiring liver evaluation.
  • Patients undergoing investigation for unexplained hepatitis.
  • Individuals referred by a hepatologist or gastroenterologist for autoimmune liver antibody testing.
  • Anyone advised by their healthcare provider to evaluate autoimmune liver disease.

FAQs

1. What is the Anti Smooth Muscle Antibody (ASMA) Test used for?
The ASMA Test detects anti-smooth muscle antibodies in the blood. Additionally, it helps diagnose autoimmune hepatitis and evaluate autoimmune liver disorders.

2. Do I need to fast before the ASMA Test?
No. Fasting is generally not required before the Anti Smooth Muscle Antibody (ASMA) Test. However, you should follow any preparation instructions provided by your healthcare provider.

3. What does a positive ASMA result indicate?
A positive ASMA result may indicate autoimmune hepatitis or another autoimmune liver disorder. However, the results should always be interpreted alongside your symptoms, liver function tests, medical history, and additional laboratory findings by a healthcare professional.

What patients say about Prima
4.9
12,480+ patients rated Prima Diagnostics
RK
Ramesh K.
Verified · 2 weeks ago
5.0
Quick appointment and the staff explained everything. Report came the same evening on WhatsApp.
Booked: MRI Brain
SP
Sneha P.
Verified · 1 month ago
4.5
Booking on the app was simple and pricing was clear with no hidden charges.
Booked: Full Body Checkup
AM
Anita M.
Verified · 1 week ago
5.0
Home collection was right on time and completely painless. Very professional.
Booked: Thyroid Profile
VS
Vikram S.
Verified · 3 days ago
5.0
Great value and fast report. Booked at 9am and had results by evening.
Booked: CBC
Questions people ask
How soon will I get my report?
Your report is delivered within 24 hours of sample collection — on WhatsApp and under My Orders.
Is home sample collection available?
Yes. A trained phlebotomist visits your home with sealed, single-use kits. Home collection is free.
Do I need to fast or prepare?
No fasting is required for this test unless your doctor advises otherwise.
How do I pay?
Pay online (UPI / cards) or pay at collection or at the centre. The price you see is what you pay — it includes the report, with no hidden charges.
Is the lab accredited?
Yes. Prima Diagnostics runs NABL-certified labs with strict quality control across 7 centres in Bengaluru.