LOINCActiveObservation

LOINC Code 23981-4: B. burgdorferi IgG band pattern IB (Body fld) [Interp]

23981-4 is a LOINC code used to identify B. burgdorferi IgG band pattern IB (Body fld) [Interp] 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 band pattern. 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 band pattern. 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: Observation
  • Method: IB

What it does not mean

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

Key facts

  • Borrelia burgdorferi IgG band pattern [Interpretation] in Body fluid by Immunoblot
  • Borrelia burgdorferi Ab.IgG band pattern
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; B/F; Bands; Bb; BF; Blt; bnd; bod; Bodies; Body fluid; Body fluid, unsp; Burgdorf; Fl; Fld; FLU; Fluid; ID; IgG Patrn; IMMUNE BLOT; Immune globulin G; Immunobl; Immunoblot; Immunoglobulin G; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Lyme; Lyme disease; Lymes; Microbiology; Nominal; Patrn; Point in time; Random; RIBA; WB; WBLOT; West blot; West blt; Western blot

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 band pattern IB (Body fld) [Interp]Borrelia burgdorferi IgG band pattern [Interpretation] in Body fluid by ImmunoblotB burgdor IgG Patrn Fld IB-ImpBorrelia burgdorferi Ab.IgG band patternMICROBorrelia burgdorferi IgG band pattern, Body fluidImp

Frequently asked questions

Code details

Code23981-4
SystemLOINC
Display nameB. burgdorferi IgG band pattern IB (Body fld) [Interp]
DescriptionBorrelia burgdorferi Ab.IgG band pattern
Short nameB burgdor IgG Patrn Fld IB-Imp
ComponentBorrelia burgdorferi Ab.IgG band pattern
PropertyImp
TimingPt
System (specimen)Body fld
ScaleNom
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Borrelia burgdorferi IgG band pattern, Body fluid

Part names

Borrelia burgdorferi Ab.IgG band patternImpPtBody fldNomIBBorrelia burgdorferi IgG band patternImpression/interpretation of studyPoint in time (spot)Body fluidImmunoblot

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.