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Test Code CRYST Crystals, Synovial Fluid

Methodology

Polarized Light Microscopy

Performing Laboratory

Aspen Valley Hospital

Specimen Requirements

2 mL (minimum volume:  0.5 mL) of synovial fluid in a dark green-top (sodium heparin) tube(s). Lavender-top (EDTA) tube is also acceptable. (Clotted specimen is not acceptable.)

Note:  Indicate specimen source on specimen container and request form.

Reference Values

No crystals seen

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

89060