Specimen Requirements

Title

Crystals, Synovial Fluid

Specimen Requirement

Collect 3 mL synovial fluid in an lavender EDTA, red top or sodium heparin and send.

Methodology

Microscopy/Polarized Light

Stability

Room temp: 48 hours, Refrigerated: 7 days, Frozen: Unacceptable

Reference Range

The reference range is determined by the performing laboratory and will show on the report.

Turnaround

1-2 days performed Monday-Saturday

Clinical Use

To rule out pathologic crystals.

Test Code

CRYST