Local code : ENAS

Preferred Sample Type

ENA Antibody: RNP

Suitable Specimen Types

  • Serum
5-10 mL

Sample Processing in Laboratory


Sample Preparation


Turnaround Time

5 days

Sample Stability

Stored at 4oC

ENA Antibody: RNP

General Information

Anti-RNP antibodies can be seen in mixed connective tissue disease with a lower frequency in SLE . These antibodies are associated with a positive coarse speckled antinuclear antibody.

Patient Preparation



None Given

Reference Range



  • EQA Scheme?: Yes
  • EQA Status:

    NEQAS eqa scheme for nuclear and related antigens

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HTA licence number is 12366

Protection of Personal Information – Laboratory Medicine comply with the Trust Data Protection Policy and have procedures in place to allow the Directorate and it’s employees to comply with the Data Protection Act 1998 and associated best practice and guidance.

The Trust Laboratories at Heartlands Hospital, Good Hope Hospital and Solihull Hospital were awarded UKAS (United Kingdom Accreditation Service) accreditation to the internationally recognised ISO 15189 standard in May 2015. For a list of accredited tests and other information please visit the test database
Tests not appearing on this scope are either under consideration or in the process of accreditation and so currently remain outside of our scope of accreditation. However, these tests have been validated to the same high standard as accredited tests and are performed by the same trained and competent staff.

For further information contact Louise Fallon, Quality Manager, 0121 424 1235

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