Ehrlichiosis (Granulocytic and Monocytic) Profile      Number 164722 CPT 86666 (x4) Synonyms Ehrlichia ; HGE ; HME ; Anaplasma Phagocytophilia Test Includes Ehrlichia chaffeensis IgG titer; Ehrlichia chaffeensis IgM titer; human granulocytic ehrlichiosis, IgG and IgM; human monocytic ehrlichiosis, IgG and IgM Specimen Serum Volume 0.6 mL Minimum Volume 0.3 mL Container Red-top tube or gel-barrier tube Collection Specimen should be free of bacterial contamination, hemolysis, and lipemia. Storage Instructions Refrigerate Causes for Rejection Hemolysis; lipemia; gross bacterial contamination Reference Interval See individual tests. Use Detection and semiquantitation of human serum IgG and IgM class antibodies to human granulocytic ehrlichiosis (HGE) and human monocytic ehrlichiosis (HME) as an aid in the diagnosis of ehrlichiosis Limitations This procedure may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients. Methodology Indirect fluorescent antibody (IFA)

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