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Immunology Laboratory

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Myositis Immunoblot

The Myositis immunoblot is used after specific ANA patterns are detected on immunofluorescence, when there is no agreement with ENA ELISA results, and upon specific request.

The immuno blot detects IgG antibodies to cN-1A (inclusion body Myositis), MDA-5, Tif1-gamma, NXP-2, SAE-1, Mi-2a, Mi-2b, Ku, PM-Scl 100, PM-Scl-75, Jo-1, SRP, PL-7, PL-12, EJ, OJ and Ro52 in human serum.

Specimen requirements

Serum 1ml


Price on application

Laboratory turnaround time

14 days

Laboratory method


Reference range/units

Positive or Negative

Associated tests

HMGCR Autoantibodies

Sample stability

2 months at 2-8ÂșC

Shipping and storage

UK and Ireland

Ambient temperature and first class post. Hays DX users please enquire via email below.


Ambient temperature if courier will deliver within 72 hours otherwise consider refrigerated transport. Freezing is not a requirement.

Ensure delivery Monday to Friday 09:00 - 17:30.

Further information and contact details

For further information, email

Last reviewed:09 October 2023