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HelpTest Code 016 Crystals Miscellaneous Fluid
Additional Codes
ALAB: CRYSTALS
PowerChart: Crystal ID Light Microscopy
MA Cerner: Crystal ID
Test Method
Microscopy Using Red Compensator
Specimen Requirement
0.5 mL of synovial fluid, uncentrifuged EDTA or Heparin anticoagulated specimen, preferred.
If fluid collecton is not possible:
Smear specimen on a slide, or place a couple drops on a slide (depending on the specimen available). Allow the slide to dry and send in a slide holder. No coverslip is necessary as this will just fall off when the specmen dries. (Reference: Tim Timmerman M.D. MercyOne Dubuque 20220308.)
Specimens other than synovial fluid must be referred to a Pathologist.
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.
Performance
Completed same day the specimen arrives at the testing site.
Reference Values
Negative for crystals
CPT Code Information
89051 Other Pathology Services: Cell Count, miscellaneous body fluids, except blood; with differential count
Useful For
Providing a definitive diagnosis for joint disease
LOINC Code Information
5781-0 Crystals [Type] in Synovial Fluid By Light Microscopy