Ehrlichia chaffeensis Antibodies (IgG,IgM)

Test Code

ECAGM

Alias/See Also

Epic: LAB3091

CPT Codes
86666 (x2)

Preferred Specimen

Specimen Type: Serum

Collection Container/Type

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Minimum Volume

0.2 mL

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days

Refrigerated: 14 days

Frozen: 30 days

Methodology

Immunofluorescence Assay (IFA)

Setup Schedule

Set up: Tues-Sat; Report available: Next day

Report Available

Next day

Reference Range

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.

Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153

Last Updated: April 5, 2023

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.