Crystal Analysis, Synovial Fluid
| Sunquest Code: | CRYST | ||
| Epic Code: | LAB8095 | Epic Name: | Crystal ID Synovial Fluid |
| Order Instructions: | Order in EPIC only if sending to UMMC, East Bank; FSH; FRH; FLMC for testing. | ||
| Synonyms: | Crystal Examination; Joint Fluid Crystals; Body Fluid Crystals | ||
| Methodology: | Microscopic examination using polarized light | ||
| Test Includes: | Examination for the presence of crystals | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
Collection Instructions
| Specimen: | Synovial fluid |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | Laboratory will accept <1 mL (do not use EDTA microtainer). Labeled, capped syringe is acceptable when volume is very small. |
| Container: | Plastic leakproof container, sterile (Plain syringe, Purple (EDTA)) |
| Collection Instructions: | Deliver to laboratory immediately. |
| Causes for Rejection: | Specimen collected in lithium heparin or gel tubes. |
Processing and Shipping
| Specimen Processing: | Store at room temperature. |
| Shipping Instructions: | Ship at room temperature. |
| Test Performed at or Referral Lab | Hematology (University of Minnesota Health Maple Grove Clinics, Range, UMMC-East Bank, Southdale, Grand Itasca, St. Joseph's, St. John's, Woodwinds) |
Interpretive
| Reference Range: | Absent |
| Use: | Aid in diagnosis of crystal-induced arthritis. |
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