Test Code 62871890 Crystal Analysis
Performing Laboratory
Torrance Memorial Laboratories
Specimen Requirements
Submit 1 of the following specimens (MUST arrive within 24 hours of collection):
Specimen Type: Fluid or fresh tissue
Container/Tube:
Fluid: Sodium Heparin without gel or other sterile container. Swabs unacceptable
Tissue: Sterile container for crystals only. (If physician suspects gout, it should be not be put in formalin as it will remove crystals from the tissue
Specimen Volume: 2 mL (fluid)
Specimen Minimum Volume: 0.5mL (fluid)
Additional Instructions:
1. If specimen is not submitted the same day of collection, send specimen refrigerated.
2. If submitting tissue, DO NOT PLACE IN FORMALIN.
3. If a tissue culture is requested along with the tissue crystals, it is preferred that the specimen is split, one sample in sterile container for culture, the other in a sterile container for crystals.
4. Tissue specimens are to be sent to Pathology for evaluation.
Specimen Transport Temperature
Ambient/Refrigerated OK
Storage Temp Stability
Methodology
Compensated Polarized Light Microscopy
Reference Range
Absent
If present, crystals are identified.
Day(s) Test Set up/TAT
Performed:
Daily
Aliases
None
CPT Code
89060