Idirect immunofluorescence on Crithidia is used for the detection of dsDNA Ab. dsDNA auto-antibodies will specifically bind dsDNA antigen in the kinetoplast and the nucleus of crithidia luciliae.
Tube
Serum Gel
ID
29810
Availability
Weekdays.
Additional Information
Anti-Crithidia Ab only avaibale to Rheumatology where the clinical diagnosis of of SLE is in doubt and confirms the detection of dsDNA Ab by the Bioplex method. This test in not routinely available.
Turn Around
10 days.
Send to
Leeds General Infirmary
Clinical Immunology
Old Medical School
Great George Street
Leeds
LS1 3EX
Collection Con
It is essential to collect a sample in an a serum gel tube, immerse it in the required a flask of water at 40C and bring to the laboratory asap. Please warn the laboratory of its impending arrival. Failure to follow this procedure may result in the sample not being processed for cryoglobulin.
Frequency
Weekly.
Sample REQ
Blood.
Ref. Range (Male)
NA – Interpretive.
Ref. Range (Female)
NA – Interpretive.
Ref. Range (Paed)
NA – Interpretive.
Ref. Range Notes
Positive/Negative
Units
NA
IP Acute TAT
Contact Laboratory.
IP Routine TAT
10 days.
GP Acute TAT
Contact Laboratory.
GP Routine TAT
10 days.