Update Type: Test Down or Delayed
Test Updated: 01/17/2024
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.

Test Details
Days Set Up
Monday - Friday
Analytic Time

3 - 6 days

Soft Order Code
Reference Laboratory
Special Testing
Specimen Requirements
Collection Instructions

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.

Alternate Specimen
Red top tube
Normal Volume
1 mL serum
Minimum Volume
0.8 mL serum
Additional Information

By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. Test performed by Mayo Clinic Laboratories

CPT Code
86618, 86666 x2, 86753
Fee Code
AA128, AA129, AA130, AA131
Reflex CPT
86617 x2