Posted Date
Effective Date
Update Type
Reference range changed
CPT Code
86225
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 |