Synovial Fluid, Crystals

Methodology: Polarized Light Microscopy

Specimen Requirements:
1 green-top (lithium heparin) tube (minimum: 1.0 mL of heparinized synovial fluid). Refrigerate specimen after collection.

NOTE: Green-top (sodium heparin) tube is also acceptable, however, the additive may combine with the specimen, causing the formation of crystals.

Analytical Time: 1 day

Days Set Up: Monday through Friday

CPT Information:
89060 – Crystal Ident, by light micro

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