Category
Microbiology
Sub Category
Fluid Analysis
Synonyms/Aliases
Uric Acid Crystals; Crystals, Synovial/ Joint Fluid
Abbreviations
N/A -
Type
Individual Tests
Results
Results will be ready within 5 days
Method
Microscopy (Polarized Light)
Temp
Transport temprature kept Refrigirated
Setup
Setup perfomed everyday
Pre-analytic Considerations :
.
Components / Parameters
N / A
Test ordering Instructions
Fill out test request form fully & legibly.
Patient preparation
N / A
Sample Requirements
Fill out test request form fully & legibly. clinical history/ indications required inclusive of results of other diagnostic work-up. concurrent CBC printout or CBC order required. concurrent PBF order/ examination required for optimal hematological assessment.
Sample type
Synovial Fluid Sample
Container/ preservative
EDTA (Purple Top) Or Heparin (Green Top). Samples In Red Top (Serum; Plain) Vacutainer Or In Plastic Separation Vials May Be Accepted If Not Clotted.
Sample volume
3 ML (minimum 1ml) synovial fluid.
Rejection criteria
Labeling Issue (Unlabeled/ Mislabeled); Missing Request Form; Frozen Sample; Clotted Sample; SST (GEL) Tube.
Other Instructions
N / A -
Reference intervals
Negative (no crystals seen)
Clinical Utility
To Evaluate For Pathologic Crystals & Diagnose Gout And Pseudogout (Calcium Pyrophosphate Dihydrate Crystal Deposition Disease, CPPD).
Test Limitations/ Confounders
N / A