A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Crystals, Synovial Fluid
MessagePerforming Lab: Lakeview, Regions
Test Code
3653
Alias/See Also
Sunquest: CRSYN; Gout crystals
CPT Codes
89060
Preferred Specimen
1.0 mL Synovial Fluid in EDTA (lavender-top) tube or Sodium Heparin (dark green-top) tube
Minimum Volume
0.2 mL
Other Acceptable Specimens
Labeled glass slide smeared with chalky material from Tophus or tissue nodule
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 5 days
Methodology
Polarizing microscopy
Setup Schedule
Daily
Report Available
Same Day
Clinical Significance
Crystals may deposit in and around the joint causing symptoms of clinical arthritis. The identification of a specific crystal confirms the diagnosis of a crystal-induced joint disorder. Monosodium urate, calcium pyrophosphate, cholesterol, hydroxyl apatite and corticosteroid crystals may be found in synovial fluids