23360:CRYSTAL EXAMINATION, SYNOVIAL FLUID

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23360:CRYSTAL EXAMINATION, SYNOVIAL FLUID
Alias Names: CPPD Crystals / Gout Crystals / Vet Crystals / Crystals / Uric Acid Crystals / Calcium Pyrophosphate Crystals
Methodology: Polarized Microscopy
Edit Date: 6/11/2010
Performed: Daily
Released: Same day
CPT Code: 89060
Specimen Collection Details
Collection: Synovial fluid in one 5 mL plain red top tube. Also acceptable: Lavender top tube (EDTA) or green top tube (heparin). Avoid submitting swabs, since recovery of crystals tends to be poor.
Handling: Refrigerate and send to laboratory within 24 hours. Indicate source and any intra-articular medications.
Standard Volume: 3 mL synovial fluid.
Minimum Volume: 0.5 mL synovial fluid.
Transport: Refrigerated.
Comments: Includes examination for monosodium urate (uric acid) and calcium pyrophosphate (CPPD) crystals for diagnosis of gout and pseudo-gout. See also: Synovial Fluid Study, Complete (23300).

None seen.