Table 2.
Rheumatology laboratory data
| Test | Result | Reference range |
| ANA | 1:1280(centromere pattern) | <1:40 |
| Anti-Smith | >1 | <1.0 |
| C3 | 90 | 88–206 |
| C4 | 24 | 13–75 |
| Anti-SSA | <1 | <1.0 |
| Anti-SSB | <1 | <1.0 |
| Cardiolipin IgG | 94 | <15.0 |
| Cardiolipin IgM | 102 | <13.0 |
| Scl 70 AB | <1.0 | <1.0 |
| dsDNA AB | 6 | <5.0 |
| RF | <14.0 | <15.0 |
| B2 GPI IgG | 77 | <15.0 |
| B2 GPI IgM | >150 | <15.0 |
| Centromere antibodies | >8.0 | <1.0 |
| Anti-RNP | <20 | <20 |
ANA, antinuclear antibody; Scl, topoisomerase-1; RF, rheumatoid factor; dsDNA, double-stranded DNA; B2 GPI, beta 2 glycoprotein.