Epic Code LAB1231961 Anaplasma phagocytophilum Antibodies (IgG, IgM)

Test Name Alias

LAB1231225 | XAPAB | Quest: 34464 | HGA, Human Granulocytic Anaplasmosis, HGE,Human Granulocytic Ehrlichiosis (HGE)

Interface Order Alias

1231961

Clinical Information

Anaplasma phagocytophilum Antibodies (IgG, IgM) - Anaplasma phagocytophilum is a tick-borne agent that causes an acute febrile illness that often resembles Rocky Mountain spotted fever.

Specimen Requirements

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.

Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

Specimen Transport Temperature

Transport: 1.0 mL serum, room temperature (20-26°C or 68-78.8°F). (Minimum: 0.2 mL

Rejection Criteria

Specimens not collected and processed as indicated.

Specimen Stability

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Test Frequency

Performed: Tuesday, Thursday, Saturday.
Results available in 3 days.

Reference Range

*A. phagocytophilum* IgG	<1:64
*A. phagocytophilum* IgM	<1:20

Performing Department

Send Outs

Performing Department Laboratory Location

Sent to Quest Diagnostics- Wood Dale, IL

Methodology

Immunofluorescence Assay (IFA)

CPT

86666x2

LOINC

Unavailable

Reviewed Date

11/2/2025

Orderable Regions