Specimen Requirements
Title
Cell Count, Synovial Fluid with Crystals
Specimen Requirement
Collect green top heparin or lavender EDTA/1 mL synovial fluid. Lavender EDTA is not the preferred collection tube for crystals.
Methodology
Microscopic and macroscopic examination
Stability
Room temp: Unacceptable, Refrigerated: 48 hours, Frozen: Unacceptable
Reference Range
By Report *
Turnaround
1-2 days
Clinical Use
Evaluate synovial fluid for the presence of RBCs, WBCs, crystals, and for physical appearance.
Test Code
SFCT