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Test Name

Ehrlichia chaffeensis (IgG, IgM)

CPT Code(s)

86666 (x2)

Methodology

Immunofluorescence Assay (IFA)

Reference Range(s)

E. chaffeensis IgG <1:64
E. chaffeensis IgM <1:20

Clinical Significance

Human Monocytic Ehrlichiosis (HME) is a tick-borne infection caused by Ehrlichia chaffeensis. Infections range in severity from asymptomatic to life-threatening, especially in patients who are immunocompromised.

To view specimen requirements and codes please Select a regional laboratory.

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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

34271
34271
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34271
34271X
34271
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34271
34271X
34271
34271 EHRLICHIA
34271 NTC
EHRLICH IgG/IgM
EHRLICHIA G/M
34271
34271
34271
34271
34271
34271
34271
34271X
17851
34271
34271
Ehrlichia chaffeensis (IgG, IgM)
34271