Order code:                  ADNA

Effective October 15, 2019, the MLabs will switch the DNA Antibody, Double-Stranded (ADNA) assay from an ELISA format to a chemiluminescent immunoassay methodology.  The new assay has fewer false positive results and a better correlation with an accepted reference method Farr assay performed at RDL reference laboratory.
 

Reference Range

Current Reference Range	New Reference Range
< 30.0	< 27 IU/mL Negative
	27-35 IU/mL Borderline Positive
	≥ 36 IU/mL Positive