Synovial fluid analysis

From IDWiki
Normal Noninflammatory Inflammatory Septic Hemorrhagic
Volume <3.5 ml >3.5 >3.5 >3.5 >3.5
Clarity Transparent Transparent Translucent-opaque Opaque Bloody
Colour Clear Yellow Yellow Yellow Red
Viscosity High High Low Variable Variable
WBC <200 0 to 2000 >2000 >20,000 Variable
PMN % <25 <25 ≥50 ≥75 50-75
Culture Often positive