77165-9

LOINC Code


LOINC code77165-9
name
descriptionEhrlichiosis is a general name to describe several bacterial diseases affecting humans and animals that are transmitted by tick bites. In the United States, the term "ehrlichiosis" may be broadly applied to several different infections. Ehrlichia chaffeensis and Ehrlichia ewingii are transmitted by the lonestar tick in the southeastern and southcentral United States. In addition, a third Ehrlichia species provisionally called Ehrlichia muris-like (EML) has been identified in a small number of patients residing in or traveling to Minnesota and Wisconsin; a tick vector for the EML organism has not yet been established. The symptoms caused by infection with these Ehrlichia species usually develop 1-2 weeks after being bitten by an infected tick. The tick bite is usually painless, and about half of the people who develop ehrlichiosis may not even remember being bitten by a tick. [CDC: Ehrlichiosis] This panel contains IgG antibody tests for two infecting species, E. charffeensis and A. phagocytophilum.
statusACTIVE

Fully-Specified Name

componentAnaplasma phagocytophilum & Ehrlichia chaffeensis IgG panel
propertyTitr  =  Dilution Factor (Titer)
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemSer  =  Serum
scaleSemiQn
method

Additional Names

short nameA phagocyt + E chaff Ab.IgG Pnl; Anaplasmosis; Dilution factor; Dilution Factor (Titer); E chaffeensis; E equi; E phagocytophila; Ehrlichia equi; Ehrlichia phagocytophila; Ehrlichiosis serology; HGE; HME; Human granulocytic ehrlichiosis; Human monocytic e

Basic Attributes

classPANEL.MICRO
type1  Laboratory
order vs. observationA phagocyt + E

Panel Components

23877-4
47405-6

History/Usage

first released
last updated2.75
last change typeMAJ  - change to name field other than Component;

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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