Table 2. Lab work on the initial visit of case 2.
ANA=anti-nuclear antibody, dsDNA=anti-double-stranded deoxyribonucleic acid antibody, SM=anti-Smith antibody, C3=complement component 3, C4=complement component 4, RF=rheumatoid factor, ESR=erythrocyte sedimentation rate, CRP=C-reactive protein, Anti-RNP= antinuclear ribonucleoprotein.
| Labs | Case 2 | Reference Range |
| WBC | 5.7 | 4.0-11.0 x 103 |
| ANA | 165.2 | <1.0 IU/ml |
| dsDNA | 216.9 | <30.0 IU/ml |
| Anti-SM | 693.5 | <1.0 CU |
| C3 | 67.0 | 75-175 mg/dl |
| C4 | <6.72 | 22-45 mg/dl |
| RF-IgM | - | <60 IU/ml |
| ESR | 64 | <20 mm/hr |
| CRP | 1.0 | <1.0 mg/dl |
| Anti-RO 60 | 38 | <20 CU |
| Anti- RNP | 643.8 | <1.0 U |