Ehrlichia chaffeensis IgM

Test Code

74672

Alias/See Also

1230401863 | LAB8212: Ehrlichia chaffeensis IgM | QUEST EAP: 74672

CPT Codes
86666

Preferred Specimen

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

Methodology
Indirect Immunofluorescence Assay (IFA)

Setup Schedule

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

Reference Range

< 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 21, 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.