What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 43077-7: B. burgdorferi Ab Qn (Specimen)

Name: LOINC Code 43077-7: B. burgdorferi Ab Qn (Specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

43077-7 is a LOINC code used to identify B. burgdorferi Ab Qn (Specimen) 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. It is commonly used with the system or sample type XXX.

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 Borrelia burgdorferi Ab. It is commonly used with the system or sample type XXX.

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

Borrelia burgdorferi Ab [Units/volume] in Specimen
Borrelia burgdorferi Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; Bb; Burgdorf; ID; Infectious Disease; InfectiousDisease; Lyme; Lyme disease; Lymes; Microbiology; Misc; Miscellaneous; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; To be specified in another part of the message; Unspecified

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for B. burgdorferi Ab Qn (Specimen) (43077-7)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

B. burgdorferi Ab Qn (Specimen)Borrelia burgdorferi Ab [Units/volume] in SpecimenB burgdor Ab Spec-aCncBorrelia burgdorferi AbMICROBorrelia burgdorferi antibody, SpecimenACnc

Frequently asked questions

Code details

Code43077-7

SystemLOINC

Display nameB. burgdorferi Ab Qn (Specimen)

DescriptionBorrelia burgdorferi Ab

Short nameB burgdor Ab Spec-aCnc

ComponentBorrelia burgdorferi Ab

PropertyACnc

TimingPt

System (specimen)XXX

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.16

Last changed2.73

Consumer names

Borrelia burgdorferi antibody, Specimen

Part names

Borrelia burgdorferi AbACncPtXXXQnArbitrary ConcentrationPoint in time (spot)

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.