Click here for more information about laboratory operations and procedures
Ehrlichia chaffeensis Antibodies (IgG & IgM)
| Item | Value | ||||
|---|---|---|---|---|---|
| Approval req'd? | No | ||||
| Available Stat? | No | ||||
| Test code | EHRL | ||||
| Test group | Ehrlichia | ||||
| Performed by | Focus via Quest | ||||
| Sendout? | Yes | ||||
| Method | Immunofluorescence assay | ||||
| Container type | Red top (Gold top unacceptable) | ||||
| Amount to Collect | 2 mL blood | ||||
| Sample type | Serum | ||||
| Preferred volume | 1 mL serum | ||||
| Min. Volume | 0.2 mL serum | ||||
| UCSF Rejection Criteria | Sample collected in Gold top | ||||
| Processing notes | Refrigerate sample. Order Quest # 8524N | ||||
| Units | titer | ||||
| Normal range |
|
||||
| Synonyms | Human Monocytic ehrlichiosis; HME | ||||
| Stability | Room temperature 4 days, refrigerated 1 week, frozen at -20C 1 month. | ||||
| Turn around times | Set up 6x per week, turnaround 4-5 days | ||||
| Additional information | Human monocytic ehrlichiosis (HME), a tick-transmitted disease caused by Ehrlichia chaffeensis bacteria and is often described as 'spotless' rocky mountain spotted fever has been reported in various regions of the United States. Infected individuals produce specific antibody to E. chaffeensis which can be detected by the IFA test. A single IgG titer of 1:64 or greater indicates exposure to E. chaffeensis. A four fold or greater rise in IgG titer between acute and convalescent sera and/or an IgM titer of 1:20 or more is suggestive of recent or current infection. This test was developed and its performance characteristics determined by Quest Diagnostics Nichols Institute. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test. |
||||
| CPT coding | 86666-90 x2 | ||||
| LOINC code | 45059-3 | ||||
| Last Updated | 8/21/2012 10:46:59 AM | ||||
| Entry Number | 335 |
If you have additional questions regarding this test, please call: 415-353-1667