Test ID: ZG144
CPT code: 86666X2
LOINC:
Specimen Type: Red or SST
Frequency: Setup: Mon-Fri; analytic time 1 day
Instructions: 0.5 ml serum from red or SST. Refrigerated. Min 0.25 ml. Gross hemolysis or lipemia are unacceptable.
Text: Serology for IgG may be negative during the acute phase of infection but a diagnostic titer usually appears by the third week after onset.
Useful for: As an adjunct in the diagnosis of ehrlichiosis; In
seroepidemiological surveys of the prevalence of the infection in
certain populations.
Components: Z0616 A phagocytophilum IgG; Z0617 E chaffeensis IgG.
Methodology: Immunofluorescence Assay (IFA)