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.