Ehrlichia chaffeensis Antibodies, IgG & IgM

Included Tests

E. chaffeensis IgG; E. chaffeensis IgM

Clinical Significance

Ehrlichia chaffeenis has been identified as the causative agent of Human Monocytic Ehrlichiosis (HME). Infected individuals produce specific antibodies to E. chaffeensis that can be detected by an immunofluorescent antibody (IFA) test. Single IgG IFA titers 1:64 or greater indicate exposure to E. chaffeensis. A four-fold rise in IgG titers between acute and convalescent samples and/or the presence of IgM antibody against E. chaffeensis suggest recent or current infection

Specimen Requirements

1.0 mL Serum in a SST Gold Top Tube

Alternate Specimen

 

TransportAndStorage

7 days Ambient
14 days Refrigerated
30 days Frozen

Collection Instructions

 

Minimum Volume

0.2 mL Serum

Neonatal Volumne

Reference Range:

Methodology:

• Immunofluorescence Assay (IFA)

Clinical Significance

Ehrlichia chaffeenis has been identified as the causative agent of Human Monocytic Ehrlichiosis (HME). Infected individuals produce specific antibodies to E. chaffeensis that can be detected by an immunofluorescent antibody (IFA) test. Single IgG IFA titers 1:64 or greater indicate exposure to E. chaffeensis. A four-fold rise in IgG titers between acute and convalescent samples and/or the presence of IgM antibody against E. chaffeensis suggest recent or current infection

CDM

00913333

CPT Coding

86666 x 2