| Label | Id | |
|---|---|---|
| Laboratory: muscle and liver enzymes | PROC:AIR | |
| Laboratory: serology (rheumatoid factor, etc.) | PROC:AIR | |
| Laboratory: serologic tests for bacteriae or viruses | PROC:AIR | |
| Laboratory: complement C3, C4, CH50 | PROC:AIR | |
| FANA (fluorescent antinuclear antibodies) | PROC:AIR | |
| Synovial Fluid: Examination | PROC:AIR | |
| Cryoglobulins | PROC:AIR | |
| Physical Exam | PROC:AIR | |
| Knee(s) | PROC:AIR |