Test Details
Methodology
Polarized light
Result Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Test Includes
Determination of presence of crystals in body fluids
Use
Determine the cause of inflammation
Special Instructions
Test request form(s) must state source of fluid.
Specimen Requirements
Specimen
Synovial fluid only.
Volume
1 mL
Container
Green-top (heparin) tube (preferred) or lavender-top (EDTA) tube. Slide is not preferred but is acceptable.
Collection Instructions
Container must state collection site.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | Unstable |
Refrigerated | 2 days (48 hours) |
Frozen | Unstable |
Freeze/thaw cycles | Unstable |
Reference Range
None seen
Storage Instructions
Refrigerate.
Causes for Rejection
Clotted specimen; frozen specimen; improper labeling; gel-barrier tube
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 005355 | Crystal,Synovial/Joint Fl | 6825-4 | 005355 | Crystal,Synovial/Joint Fl | 6825-4 | |
| Order Code | 005355 | |||||
| Order Code Name | Crystal,Synovial/Joint Fl | |||||
| Order Loinc | 6825-4 | |||||
| Result Code | 005355 | |||||
| Result Code Name | Crystal,Synovial/Joint Fl | |||||
| UofM | ||||||
| Result LOINC | 6825-4 |