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LOINC Code 49180-3: E. chaffeensis IgG (Body fld) [Titer]

49180-3 is a LOINC code used to identify E. chaffeensis IgG (Body fld) [Titer] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Ehrlichia chaffeensis Ab.IgG. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Ehrlichia chaffeensis Ab.IgG. It is commonly used with the system or sample type Body fld.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Ehrlichia chaffeensis IgG Ab [Titer] in Body fluid
  • Ehrlichia chaffeensis Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Dilution factor; Dilution Factor (Titer); E chaffeensis; Fl; Fld; FLU; Fluid; HME; Human monocytic ehrlichiosis; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; SmQn; Titer; Titered; Titre; Ttr

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

E. chaffeensis IgG (Body fld) [Titer]Ehrlichia chaffeensis IgG Ab [Titer] in Body fluidE chaffeensis IgG Titr FldEhrlichia chaffeensis Ab.IgGMICROEhrlichia chaffeensis IgG antibody, Body fluidTitr

Frequently asked questions

Code details

Code49180-3
SystemLOINC
Display nameE. chaffeensis IgG (Body fld) [Titer]
DescriptionEhrlichia chaffeensis Ab.IgG
Short nameE chaffeensis IgG Titr Fld
ComponentEhrlichia chaffeensis Ab.IgG
PropertyTitr
TimingPt
System (specimen)Body fld
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.75

Consumer names

Ehrlichia chaffeensis IgG antibody, Body fluid

Part names

Ehrlichia chaffeensis Ab.IgGTitrPtBody fldSemiQnEhrlichia chaffeensis IgGTiterPoint in time (spot)Body fluid

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 49180-3 | HealthAssure