Blood tests done later in the course
| Lab test | Result | Lab test | Result |
|---|---|---|---|
| ANA | Negative | c-ANCA | Negative |
| p-ANCA | Negative | Anti-CCP | Negative |
| RA test | Negative | Myositis panel | Negative |
| Autoimmune panel | Negative | HIV | Negative |
| ACE | Negative | PPD skin test | Negative |
ANA: antinuclear antibodies; p-ANCA: perinuclear antineutrophil cytoplasmic antibodies; RA: rheumatoid arthritis; ACE: angiotensin converting enzyme; PPD: purified protein derivative; c-ANCA: cytoplasmic antineutrophil cytoplasmic autoantibody; CCP: cyclic citrullinated peptides