23360:CRYSTAL EXAMINATION, SYNOVIAL FLUID
Author PeaceHealth Laboratories
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| 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). |