Serology workup
| Tests | Results | Normal range |
|---|---|---|
| Antinuclear antibody | 1:80 | < 40 = Negative |
| dsDNA antibody | Negative | Titers < 10 = Negative |
| Anti-Ro52 (SS-A) IgG | 366 | < 20 |
| Anti-La (SS-B) antibody | < 3 | < 20 |
| Anti-Ro60 IgG | < 5 | < 20 |
| Cryoglobulin | Negative | Negative |
ds = double strand; Ig = immunoglobulin; SS = Sjögren syndrome