Days Set Up
Monday - Friday
Analytic Time

3 - 6 days

Soft Order Code

Test Updated:


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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

EHRC, ANAP, BABG: Immunofluorescence Assay (IFA)
LYME: Enzyme-Linked Immunosorbent Assay (ELISA)

Test Usage

Evaluation of the most common tick-borne diseases found in the United States, including Lyme disease, human monocytic and granulocytic ehrlichiosis, and babesiosis
Evaluation of patients with a history of, or suspected, tick exposure who are presenting with fever, myalgia, headache, nausea, and other nonspecific symptoms
Seroepidemiological surveys of the prevalence of the infection in certain populations

Reference Range

Ehrlichia chaffeensis (HME) ANTIBODY, IgG <1:64
Anaplasma phagocytophilum ANTIBODY, IgG <1:64
Babesia microti IgG ANTIBODIES <1:64

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in an SST tube. (Red top tube is acceptable). Send to Specimen Processing

Collection Offsite

Collect specimen in an SST tube. (Red top tube is acceptable). Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.

Yellow Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.8 mL serum

Billing Information

CPT Code
86618, 86666 x2, 86753
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.