LOINCActiveBoth

LOINC Code 16481-4: B. burgdorferi IgG IA Qn (Body fld)

16481-4 is a LOINC code used to identify B. burgdorferi IgG IA Qn (Body fld) 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 Borrelia burgdorferi Ab.IgG. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Borrelia burgdorferi 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
  • Method: IA

What it does not mean

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

Key facts

  • Borrelia burgdorferi IgG Ab [Units/volume] in Body fluid by Immunoassay
  • Borrelia burgdorferi Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; B/F; Bb; BF; bod; Bodies; Body fluid; Body fluid, unsp; Burgdorf; EIA; ELFA; ELISA; Enzyme immunoassay; Fl; Fld; FLU; Fluid; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Lyme; Lyme disease; Lymes; MEIA; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; SUDS

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

B. burgdorferi IgG IA Qn (Body fld)Borrelia burgdorferi IgG Ab [Units/volume] in Body fluid by ImmunoassayB burgdor IgG Fld IA-aCncBorrelia burgdorferi Ab.IgGMICROBorrelia burgdorferi IgG antibody, Body fluidACnc

Frequently asked questions

Code details

Code16481-4
SystemLOINC
Display nameB. burgdorferi IgG IA Qn (Body fld)
DescriptionBorrelia burgdorferi Ab.IgG
Short nameB burgdor IgG Fld IA-aCnc
ComponentBorrelia burgdorferi Ab.IgG
PropertyACnc
TimingPt
System (specimen)Body fld
ScaleQn
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Borrelia burgdorferi IgG antibody, Body fluid

Part names

Borrelia burgdorferi Ab.IgGACncPtBody fldQnIABorrelia burgdorferi IgGArbitrary ConcentrationPoint in time (spot)Body fluidImmunoassay

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.