Local code : DNA
Preferred Sample Type
Suitable Specimen Types
- Serum
5-10 mL
Sample Processing in Laboratory
Usual
Sample Preparation
Usual
Turnaround Time
5 daysSample Stability
Stored at 4oC
ds DNA Antibody
General Information
Antibodies to double stranded DNA are strongly associated with SLE.
Patient Preparation
None
Notes
Samples positive by initial ELISA screen are then confirmed by Crithida lucillae which is more disease specific.
Reference Range
Negative = <10 U/mL
Weak positive = 10-15 U/mL
Positive = >15 U/mL
Normal result would be negative.
Specifications
- EQA Scheme?: Yes
-
EQA Status:
NEQAS eqa scheme for nuclear and related antigens.