Stored at 4oC
Rheumatoid factor is a significant serological marker of rheumatoid arthritis and can occur in 50 -90% of patients with RA, however, 2-10 % of apparently healthy adults have been shown to have a positive rheumatoid factor and Rheumatoid factors can oocur in up to 50% of patients with infection.
This method is suitable for serum samples only.
Up to 30 IU/mL = Negative
30-50= Weak Positive
Greater than 50 IU/mL = Positive
UK NEQAS scheme for general autoimmune serology.
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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 http://www.heftpathology.com/frontpage/test-database.html.
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