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Department

Immunology
Local code : DNA

Preferred Sample Type

ds DNA Antibody

Suitable Specimen Types

  • Serum
5-10 mL

Sample Processing in Laboratory

Usual

Sample Preparation

Usual

Turnaround Time

5 days

Sample 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.