LabCorp Test

Antinuclear Antibodies IFA (ANA-IFA) Blood Test

Quick Overview

Used as a primary test to help evaluate a person for autoimmune disorders that affect many tissues and organs throughout the body.

Test #164947


Availability: In stock

Also Known As ANA-Hep2, FANA ; ANA Titer, Fluorescent Antinuclear Antibody
Preparation No special preparation required.
Test Results 2-3 days. May take longer based on weather, holiday or lab delays.

The antinuclear antibody (ANA) test is used to help evaluate a person for systemic autoimmune disorders. This test is frequently used to help diagnose systemic lupus erythematosus (SLE). However, a positive ANA test by itself does not diagnose any one particular disease.

An ANA test is used to help diagnose autoimmune disorders, including:

·         Systemic lupus erythematosus (SLE)

·         Rheumatoid arthritis

·         Scleroderma

·         Sjogren's syndrome

The ANA is used when you have symptoms of lupus or another autoimmune disorder.

These symptoms include:

·         Fever

·         Red, butterfly-shaped rash (a symptom of lupus)

·         Fatigue

·         Joint pain and swelling

·         Muscle pain


A positive result doesn't necessarily mean you have a disease. Some healthy people have antinuclear antibodies in their blood. Also, certain medicines can affect your results.

Antinuclear antibody levels tend to increase with age. As many as one-third of healthy adults over the age of 65 may have a positive ANA test result.

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