Synovasure, Synovial Fluid ELISA (bloody or hemolyzed specimen that is inadequate for LFA assay)
| Abbrev Code: | XMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Order Instructions: | For fluid specimens that are too bloody or hemolyzed and therefore inadequate for the more rapid Synovasure LFA test (code LAB6665). | ||
| Synonyms: | Alpha Defensin; Periprosethetic Joint Infection; PJI | ||
| Methodology: | Enzyme linked immunosorbent assay | ||
| CPT Codes: | 83516 x1, 83140 x1 | ||
| Test Includes: | Alpha Defensin on synovial fluid | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Fri. | ||
| Special Instructions: | This test should only be used for patients with total joint prothesis. Completed test requisition form must accompany specimen. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Synovial Fluid |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.5 mL |
| Container: | Plastic leakproof container, sterile |
| Collection Instructions: | Specimen source and type of joint are required. If not obtained from a prosthetic joint, testing will be cancelled. |
| Causes for Rejection: | If not obtained from a prosthetic joint, testing will be cancelled. |
Processing and Shipping
| Specimen Processing: | Do not process. Transport specimen in the original collection container. Indicate specific collection site on collection container. Separate specimens must be submitted when multiple tests are ordered. Store in refrigerator. |
| Shipping Instructions: | Ship specimen in provided kit, preferably same day of collection. |
| Stability: | 5 days |
| Test Performed at or Referral Lab | Lab Sendouts (CD Diagnostics) |
| Referral Lab number: | Alpha Defensin ELISA for PJI |
Interpretive
| Reference Range: | By report. |
| Use: | The Synovasure PJI Alpha Defensin Test for Periprosthetic Joint Infection is intended to be used as an adjunct to current diagnostic methods in the diagnosis of periprosthetic infection. (PJI). |
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