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Methodology: Microscopy
Edit Date: 6/11/2010
Components: Cell Count and Differential, Body Fluid / Clot Evaluation / Crystal Examination
Performed: Daily
Released: Same day as tested
CPT Code: 85810 / 89050 / 89060
Specimen Collection Details
Collection: Synovial fluid in one 4 mL lavender top tube (EDTA) and 4 mL synovial fluid in a red top tube.
Handling: Refrigerate. Submit to lab immediately, 24 hour maximum delay. Indicate source.
Standard Volume: 4 mL EDTA synovial fluid and 4 mL red top tube synovial fluid.
Minimum Volume: 0.5 mL EDTA synovial fluid and 2 mL red top tube synovial fluid.
Transport: Refrigerated.
Comments: This test includes cell count and differential, crystal exam, and clot evaluation (viscosity and spontaneous clot). If glucose is desired, collect in a sterile syringe with air expelled, anaerobic transport system, or sterile red top tube (green top tube acceptable, but not preferred). These tests must be ordered separately on the requisition.
Rejection Criteria: Frozen specimen.

See individual components.

PeaceHealth Laboratories