Gout - Joint Fluid Crystals - Uric Acid Crystals - BF Crystals - Body Fluid Crystals
Specimen Collection Requirements
Synovial or body fluid in lavender (EDTA) top tube or container with no anticoagulant. Small volumes (<0.5 mL) should be kept unanticoagulated. Green (sodium heparin) top tube also acceptable.
If submitted in EDTA, mix tube gently, end over end, 8-10 times immediately after collection.
Frozen specimen, specimen collected with oxalate preservative or lithium heparin
Specimens submitted on slides or swabs are acceptable, but discouraged if not necessary. Body fluid in red top tubes is discouraged. Red top tubes contain a clot activator that may interfere with crystal evaluation.
Thursday, December 10, 2020 03:47:10 AM
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