Ehrlichiosis (Granulocytic and Monocytic) Profile

CPT: 86666(x4)
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Test Details


  • Anaplasma phagocytophila

Test Includes

Ehrlichia chaffeensis IgG titer; Ehrlichia chaffeensis IgM titer; human granulocytic ehrlichiosis, IgG and IgM; human monocytic ehrlichiosis, IgG and IgM


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


Indirect fluorescent antibody (IFA)

Reference Interval

See individual tests.

Specimen Requirements




0.6 mL

Minimum Volume

0.3 mL


Red-top tube or gel-barrier tube


Specimen should be free of bacterial contamination, hemolysis, and lipemia.

Storage Instructions


Causes for Rejection

Hemolysis; lipemia; gross bacterial contamination


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
164722 Ehrlichia Ab Panel 164681 E. chaffeensis (HME) IgG Titer 47405-6
164722 Ehrlichia Ab Panel 164704 E. chaffeensis (HME) IgM Titer 48850-2
164722 Ehrlichia Ab Panel 164674 HGE IgG Titer 23877-4
164722 Ehrlichia Ab Panel 164667 HGE IgM Titer 23878-2

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