Autoantibodies to extractable nuclear antigens (ENAs) are associated with certain connective tissue diseases.
Tube
Serum Gel
ID
12763
Availability
Weekdays
Additional Information
Anti-ENA antibody tests are now included in the anti-nuclear antibody (ANA) screen performed on the Bioplex 2200, an automated multiplex analyser.
The ANA screen can determine autoantibodies against anti-DNA, Ro (60 and 52kDa), La, Sm, Sm/RNP, RNP (68KD)
Turn Around
7 days
Send to
Leeds General Infirmary
Clinical Immunology
Old Medical School
Great George Street
Leeds
LS1 3EX
Collection Con
No restrictions
Frequency
Daily
Sample REQ
Blood
Ref. Range (Male)
See reference range note
Ref. Range (Female)
See reference range note
Ref. Range (Paed)
See reference range note
Ref. Range Notes
AI unit = Antibody Index With the exception of anti-La and anti-Scl-70 Ab a result of 1AI or above is a positive result. For anti-La and anti-Scl-70 Ab a result of 2.5AI or above is positive.
Units
AI
IP Acute TAT
Contact Laboratory
IP Routine TAT
7 days
GP Acute TAT
Contact Laboratory
GP Routine TAT
7 days