Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Crystal Analysis, Synovial Fluid Order Code : CRYST
Note: Do not use 6 mL EDTA tubes. Samples submitted to the Hematology laboratory in these tubes will be rejected.
Specimen Type: Synovial Fluid
Container Type: Lavender-top tube (EDTA); liquid EDTA only. Powdered EDTA not acceptable
Required Volume: 1 mL
Minimum Volume (Pediatric): 0.5 mL
Methodology: Polarized light microscopy with first order red compensator for crystal identification
Standard Run Times: Daily
Turnaround Time: 24 hours/next day
Special Handling: Refrigerate
CPT Codes: 89060
LPCH EPIC Code: LAB213
SHC EPIC Code: LABCRYST
Causes For Rejection: Completely clotted, crystalline EDTA or Na heparin.
Department: Hematology