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Labcorp Oklahoma, Inc.
Test Directory


Index:

Ehrlichia chaffeensis Antibody, IgM, IgG

Order Name E CHAFF AB
Test Number: 5565250
Revision Date 09/13/2016
Test Name Methodology LOINC Code
Ehrlichia chaffeensis IgG Antibody
Indirect Fluorescent Antibody 22283-6 
Ehrlichia chaffeensis IgM Antibody
Indirect Fluorescent Antibody 7876-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL Serum Clot Activator SST Refrigerated
Instructions Specimen Stability: Room temperature 7 days, Refrigerated 14 days, Frozen 30 days.
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 3 Days  
Clinical Use E. chaffeensis is a tick-borne disease common to the OK/ARK/MO/KS area. Peak titers will occur at 6 weeks after onset. Only 22% will be positive after 1 week, 68% after 2 weeks and 100% after 4 weeks. 
CPT Code(s) 86666X2
Lab Section Immunology - Serology