Table 2.
Laboratory studies | ||
---|---|---|
Test | Result | Reference range |
ANA screen | <40 | <40 |
Anti-Smith | Neg | Neg |
Anti-SSA | Neg | Neg |
Anti-SSB | Neg | Neg |
Rheum factor screen | Neg | Neg |
Alpha 1 antitrypsin | 154 mg/dL | 100–200 mg/dL |
Centromere Ab | None detected | None detected |
P-ANCA titer | <20, negative | <20 |
Anti-RNP | Neg | Neg |
SCL 70 Ab | Three units | 0–49 units |
HSV PCR | Negative | Negative |
CMV PCR | Negative | Negative |
Aspergillus antibody | <1:8 | <1:8 |