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 44020-6: B. burgdorferi Ab IB Ql (Syn fld)

Name: LOINC Code 44020-6: B. burgdorferi Ab IB Ql (Syn fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

44020-6 is a LOINC code used to identify B. burgdorferi Ab IB Ql (Syn 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. It is commonly used with the system or sample type Synv 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 Borrelia burgdorferi Ab. It is commonly used with the system or sample type Synv 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: IB

What it does not mean

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

Key facts

Borrelia burgdorferi Ab [Presence] in Synovial fluid by Immunoblot
Borrelia burgdorferi Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; Bb; Blt; Burgdorf; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Joint aspirate; Joint fld; Joint flu; Joint fluid; Lyme; Lyme disease; Lymes; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rheum; Rheumatology; RIBA; Screen; SF; SNV; Syn; Syn fl; Synov; Synovial fluid; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for B. burgdorferi Ab IB Ql (Syn fld) (44020-6)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

B. burgdorferi Ab IB Ql (Syn fld)Borrelia burgdorferi Ab [Presence] in Synovial fluid by ImmunoblotB burgdor Ab Snv Ql IBBorrelia burgdorferi AbMICROBorrelia burgdorferi antibody, Synovial fluidPrThr

Frequently asked questions

Code details

Code44020-6

SystemLOINC

Display nameB. burgdorferi Ab IB Ql (Syn fld)

DescriptionBorrelia burgdorferi Ab

Short nameB burgdor Ab Snv Ql IB

ComponentBorrelia burgdorferi Ab

PropertyPrThr

TimingPt

System (specimen)Synv fld

ScaleOrd

MethodIB

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.58

Consumer names

Borrelia burgdorferi antibody, Synovial fluid

Part names

Borrelia burgdorferi AbPrThrPtSynv fldOrdIBPresence or ThresholdPoint in time (spot)Synovial 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.