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Ehrlichiosis (Granulocytic and Monocytic) Profile

CPT: 86666(x4)
Updated on 08/17/2021
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  • Anaplasma phagocytophila

Test Includes

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

Expected Turnaround Time

1 - 4 days

2 - 4 days

1 - 4 days

Related Documents

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

Test Details


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.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
164722 Ehrlichia Ab Panel 93370-5 164681 E. chaffeensis (HME) IgG Titer 47405-6
164722 Ehrlichia Ab Panel 93370-5 164704 E. chaffeensis (HME) IgM Titer 48850-2
164722 Ehrlichia Ab Panel 93370-5 164674 HGE IgG Titer 23877-4
164722 Ehrlichia Ab Panel 93370-5 164667 HGE IgM Titer 23878-2

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