R U H Bath, return to home page

Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

ENA Typing
(a.k.a Blotting, Enhanced Autoantibody Screen, Immunoblotting, Myositis, Systemic Sclerosis, Connective Tissue Disease)
minimum sample volume required ~ 5ml

  back to assay index

Special instructions
Time limit for add on = 2 days

Interfering substances = None known

Repeat testing not normally recommended

Reference range

Linked to
ENA Screen

Turnaround Time
14 days

Department: Immunology

Clinical Application
ENA typing is performed by immunoblotting. Three blotting profiles are available. The appropriate choice of profile is dependant on clinical information, if provided, and initial screening results.

The myositis immunoblotting profile screens for: Anti-OJ, EJ, PL-12, PL-7, SRP, Jo-1, Pm-Scl75, Pm-Scl100, Ku, SAE, NXP-2, MDA5, TIF-1g, Mi-2 and Ro-52.

Please contact the laboratory if you require a screen for anti-cN1A to be included in the myositis immunoblotting profile.

The ANA immunoblotting profile screens for: Anti-AMA-M2, Ribosomal-P, Histone, Nucleosome, ds-DNA, PCNA, CENP-B, Jo-1, Pm-Scl, Scl-70, Ro-60, Ro-52, La, U1-RNP and Sm.

The systemic sclerosis (nucleolar) immunoblotting profile screens for: Anti-Scl-70, CENP A, CENP B, RNAP III, U3-RNP, NOR90, Th/To, Pm-Scl100, Pm-Scl75, Ku, PDGFR and Ro-52.

» Service Level Agreement Referral laboratory


back to top