Crystal Analysis by Polarization Microscopy
Label Mnemonic: SYNC
Epic Lab Code: LAB7525
Downtime Form: A-1a Miscellaneous Request
Hematology
6240 RCP
356-3527
Specimen(s):
Synovial Fluid, Tophus
Collection Medium:
or
Lavender top tube 3 mL (EDTA) Green top tube 4 mL (Na Heparin)
Minimum:
1) several drops in syringe, minimum volume needed; prefer 1 mL in EDTA tube. 2) material removed from tophus by needle core procedure placed in EDTA tube. 3) sodium heparin tube for crystal analysis only, not body fluid counts.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
3 hours (upon receipt in laboratory)
Reference Range:
Absence of monosodium urate (MSU) and calcium pyrophosphate dihydrate (CPPD) crystals.
Comments:
Results posted in Epic under both Chart Review: Lab tab and Result Review.
Methodology:
Wet prep microscopy with polarizer and red compensator
CPT Code:
89060