Autoantibodies to extractable nuclear antigens (ENAs) are associated with certain connective tissue diseases.
|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
Old Medical School
Great George Street
|Collection Con||No restrictions|
|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.
|IP Acute TAT||- Contact Laboratory|
|IP Routine TAT||7 days|
|GP Acute TAT||- Contact Laboratory|
|GP Routine TAT||7 days|