Synovial fluid classification
Synovial fluid classification based on synovial fluid analysis
Synovial Fluid Classification
| Total White Blood Cells | |||
|---|---|---|---|
| Fluid Type | Appearance | Count/mm 3 | % Polymorphonuclear cells |
| Normal | Clear, viscous, pale yellow | 0–200 | <10 |
| Group 1 (noninflammatory) | Clear to slightly turbid | 200–2000 | <20 |
| Group 2 (inflammatory) | Slightly turbid | 2000–50,000 | 20–75 |
| Group 3 (pyarthrosis) | Turbid to very turbid | >50,000–100,000 | >75 |
