Extractable Nuclear Antibody

If ANA is positive, you then order specific subsequent tests to detect specific ENAs

Sensitive Abs

‣	ANA
RA - Rheumatoid Arthritis	RF - Rheumatoid Factor

Specific Abs

‣	‣,‣
RA - Rheumatoid Arthritis	Anti-CCP
‣	‣
‣	‣, ‣
Scleroderma	Anti-centromere (LCSS), Anti-ScL-70 (DCSS)