APABT - "Anaplasma phagocytophilum Abs (IgG, IgM), w/ Ref to Titers"

New Test

Effective Date

02/03/2026

Included in Report

WML Test Directory Update | February 2026

Updated Test

Anaplasma phagocytophilum Abs (IgG, IgM), with Reflex to Titers

Test Details

Mnemonic

APABT

Ordering Code

3401133

CPT-4 Codes(s)

86666 x 2, plus 86317 for each titer, at an additional cost

Turnaround Time

3 - 5 days

Performed

Monday, Wednesday - Saturday

Legacy Code

APABT

Example Report

Download

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.2 mL

Transport Temperature

Refrigerated

Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Methodology

Immunofluorescence assay

Reference Range

A. phagocytophilum Ab (IgG), Screen Not Detected
A. phagocytophilum Ab (IgM), Screen Not Detected
A. phagocytophilum Ab (IgG), Titer <1:64
A. phagocytophilum Ab (IgM), Titer <1:20

Performing Laboratory

Quest

New York DOH Approval Status

Yes

Test Name	Ordering Code	Result Code	Component Name	LOINC Code	AOE Prompt
Anaplasma phagocytophilum Abs (IgG, IgM), w/ Ref to Titers	3401133
		3401123	A. phagocytophilum, IgG, Screen	29856-2	No
		3401124	A. phagocytophilum, IgM, Screen	29857-0	No
		3401126	A. phagocytophilum, IgG, Titer	23877-4	No
		3401127	A. phagocytophilum, IgM, Titer	23878-2	No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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APABT – “Anaplasma phagocytophilum Abs (IgG, IgM), w/ Ref to Titers”