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.

LOINCActiveObservation

LOINC Code 104602-8: Borrelia burgdorferi B31 IgM Line blot Ql (S)

Name: LOINC Code 104602-8: Borrelia burgdorferi B31 IgM Line blot Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.128Z

104602-8 is a LOINC code used to identify Borrelia burgdorferi B31 IgM Line blot Ql (S) 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 B31 Ab.IgM. It is commonly used with the system or sample type Ser.

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 B31 Ab.IgM. It is commonly used with the system or sample type Ser.

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: Line blot

What it does not mean

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

Key facts

Borrelia burgdorferi B31 IgM Ab [Presence] in Serum by Line blot
Borrelia burgdorferi B31 Ab.IgM
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; B. burgdorferi B31; Bb; Burgdorf; Immune globulin M; Immunoglobulin M; Lyme; Lyme disease; Lymes; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR

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

Borrelia burgdorferi B31 IgM Line blot Ql (S)Borrelia burgdorferi B31 IgM Ab [Presence] in Serum by Line blotB. burgdorferi B31 IgM Ser Ql Line blotBorrelia burgdorferi B31 Ab.IgMMICROBorrelia burgdorferi B31 IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code104602-8

SystemLOINC

Display nameBorrelia burgdorferi B31 IgM Line blot Ql (S)

DescriptionBorrelia burgdorferi B31 Ab.IgM

Short nameB. burgdorferi B31 IgM Ser Ql Line blot

ComponentBorrelia burgdorferi B31 Ab.IgM

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodLine blot

ClassMICRO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Consumer names

Borrelia burgdorferi B31 IgM antibody, Blood

Part names

Borrelia burgdorferi B31 Ab.IgMPrThrPtSerOrdLine blotPresence or ThresholdPoint in time (spot)Serum

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.