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Ehrlichia chaffeensis Antibodies (IgG,IgM)
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
ECHFAB
CPT Codes
86666 (x2)
Preferred Specimen
1 mL serum
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
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunofluorescence Assay (IFA)
Setup Schedule
Set up: Tues-Sat; 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: November 29, 2021