Ehrlichia chaffeensis (IgG, IgM)

Ehrlichia chaffeensis (IgG, IgM)

Test Code

34271
86666 (x2)
34271
86666 (x2)
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Ehrlichia chaffeensis (IgG, IgM) - 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.

Test Resources

Test FAQ

Lyme Disease Testing

Algorithm

An Approach to the Differential Diagnosis of Tick-borne Diseases

Clinical Focus

Tick-borne Diseases: Laboratory Support of Diagnosis and Management

Test Details

Methodology

Immunofluorescence Assay (IFA)

Assay Category

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

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

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunofluorescence Assay (IFA)
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

E. chaffeensis IgG <1:64
E. chaffeensis IgM <1:20
Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 7 days
  • Refrigerated: 14 days
  • Frozen: 30 days 

Setup Schedule

Service Area must be determined
1 mL serum
0.2 mL
Transport tube

Room temperature

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days 
Service Area must be determined
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

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 guidance 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.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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