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Test Code FLCRYS Crystals Miscellaneous Fluid LAB940

Test Method

Microscopy Using Red Compensator

Performance

Completed same day the specimen arrives at the testing site.

Specimen Requirement

1 mL of synovial fluid, uncentrifuged EDTA or Heparin
anticoagulated specimen.

Specimens other than synovial fluid must be referred to a
pathologist.

Useful For

Providing a definitive diagnosis for joint disease

Reference Values

Negative for crystals

CPT Code Information

89060 - Crystal identification by light microscopy with or without polarizing lens analysis, tissue or any body fluid (except urine)

LOINC Code Information

5781-0 Crystals [Type] in Synovial Fluid By Light Microscopy

Additional Specimen Collection Information

Transfer 1 mL of body fluid from the collection syringe to an
EDTA purple-top or lithium heparin green-top tube.