Ehrlichia chaffeensis Antibodies (IgG, IgM) with Reflex to Titers

Ehrlichia chaffeensis Antibodies (IgG, IgM) with Reflex to Titers

Test Code

16197

CPT Code(s)

86666 (x2)

Test Code

16197

CPT Code(s)

86666 (x2)

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Ehrlichia chaffeensis Antibodies (IgG, IgM) with Reflex to Titers - This test is for the detection of IgG and IgM antibodies against Ehrlichia chaffeensis to aid in the diagnosis of Ehrlichiosis (human monocytic ehrlichiosis). Ehrlichiosis is a tickborne disease caused by transmission of the bacteria via the bite of an infected tick. It is most common in the eastern to southeastern and south-central United States.

Testing for E. chaffeensis is based on a clinical evaluation and risk of tick exposure with consideration to the geographic region. Symptoms may be nonspecific, including headache, fever/chills, malaise, myalgia, gastrointestinal ...

Test Resources

Algorithm

Serological Test Selection for the Differential Diagnosis of Tick-borne Diseases Based on Geographic Origin and Symptoms of Infection

Topic Brief

Tick-borne Disease: Laboratory Support of Diagnosis and Management

Test Details

Includes

If E. chaffeensis (IgG) is Detected, then E. chaffeensis (IgG) Titer will be performed at an additional charge (CPT code(s): 86317).
If E. chaffeensis (IgM) is Detected, then E. chaffeensis (IgM) Titer will be performed at an additional charge (CPT code(s): 86317).

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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

E. chaffeensis Ab (IgG), Screen	Not Detected
E. chaffeensis Ab (IgM), Screen	Not Detected

E. chaffeensis Ab (IgG), Titer	<1:64 titer
E. chaffeensis Ab (IgM), Titer	<1:20 titer

Alternative Name(s)

E. Chaffeensis Ab

LOINC® Codes, Performing Laboratory

Service Area must be determined

Includes

If E. chaffeensis (IgG) is Detected, then E. chaffeensis (IgG) Titer will be performed at an additional charge (CPT code(s): 86317).
If E. chaffeensis (IgM) is Detected, then E. chaffeensis (IgM) Titer will be performed at an additional charge (CPT code(s): 86317).

Methodology

Immunofluorescence Assay (IFA)

Assay Category

Reference Range(s)

E. chaffeensis Ab (IgG), Screen	Not Detected
E. chaffeensis Ab (IgM), Screen	Not Detected

E. chaffeensis Ab (IgG), Titer	<1:64 titer
E. chaffeensis Ab (IgM), Titer	<1:20 titer

Alternative Name(s)

E. Chaffeensis Ab

LOINC® Codes, Performing Laboratory

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

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

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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