Laboratory Medicine

Test Directory / Double Stranded DNA antibody assay

Double Stranded DNA antibody assay

Brown clotted serum, gel barrier

Test	Double Stranded DNA antibody assay
Common Abbreviations	dsDNA
Profile	Double stranded DNA antibodies are only performed if ANA is positive. Referred for Crithidia antibody if dsDNA assay is positive.
Clinical Indication	Double stranded DNA antibodies are associated with SLE
Specimen Type	Blood
Sample Type	Serum
Minimum Volume	5 ml
Special Precautions	No special requirements
Stability	10 days
Turnaround Time	7 days (turnaround time maybe longer if referred for confirmatory Crithidia test)
Laboratory	Hull Royal Infirmary, Anlaby Road, Hull HU3 2JZ
Reference Interval	See Service move to Hull 6/3/2023 document found in advice for requestor-Immunology
Limitations

Update for visitors

Visiting restrictions are in place at our hospitals to stop the spread of norovirus. These restrictions will be in place until further notice.

The following wards are closed to visitors:

York Hospital: Ward 29 and Ward 37.

There are four exceptions only to the restrictions. These are:

For patients who are receiving end of life care

Paediatric patients (babies and children)

Maternity care

The family carers of those with dementia

We understand these restrictions can be difficult when a loved one is unwell. The restrictions will be reviewed daily and lifted as soon as it is safe. Thank you for your understanding as we try to reduce the spread of norovirus in our hospitals.