EXTRACTABLE NUCLEAR ANTIGENS (ENA), QUANTITATIVE PROFILE

What this test checks

Quantitative measurement of multiple specific antibodies — used to identify the exact autoimmune disease.

Why do people get this test?

Used after positive ANA to characterise the specific autoimmune condition.

When you should consider this test

• Positive ANA needing detailed work-up
• Diagnosis of lupus subtype or scleroderma
• Specialist requested

How to prepare

No fasting needed.