Home
HelpTest ID CRSBF Crystal Identification, Body Fluid
Specimen Required
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Green top (heparin)
Specimen Volume: 2 mL
Useful For
Identifying the presence and type of crystals in synovial fluid
Method Name
Compensated Polarized Light Microscopy
Reporting Name
Crystal ID, BFSpecimen Type
Body FluidSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Body Fluid | Refrigerated (preferred) | ||
| Ambient | 24 hours | ||
| Frozen | |||
Reference Values
None seen
If present, crystals are identified.
Day(s) Performed
Monday through Sunday
Report Available
1 dayPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
89060
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CRSBF | Crystal ID, BF | 6825-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CRYFT | Fluid Type | 14725-6 |
| CRYID | Crystal ID | 6825-4 |
| CRYCM | Comment | 77202-0 |