South West London Pathology (SWLP) is introducing new Beckman Coulter biochemistry analysers to it’s blood sciences laboratories across the whole SWLP network. This post includes the reference range changes for Croydon, Kingston and St George’s Hospital. Details of the changes for Epsom and St Helier hospitals will be added soon.
dsDNA (Crithdia)
| Category | Immunology and PRU |
|---|---|
| Reporting frequency | Weekly |
Additional information
Possible clinical association – Diagnosis and monitoring of SLE. Specimens showing a positive ANA will be tested for antibodies to appropriate specific antigens; homogeneous patterns will typically be tested for antibodies to double stranded DNA and speckled patterns will typically be tested for antibodies to the extractable nuclear antigens (RNP, Sm, SSA, and SSB). Other antigen specificities will be tested depending upon the clinical details or if specifically requested.Reference range: Negative <30 IU/mL, Positive >30 IU/mLThis is a follow-on test that is added on where appropriate, according to the antinuclear antibody (Hep2) results, or by direct request to a Consultant on 0208 725 5106.
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