LOINCActiveBoth

LOINC Code 31155-5: B. burgdorferi Ab IA Qn (Specimen)

31155-5 is a LOINC code used to identify B. burgdorferi Ab IA 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 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. 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
  • Method: IA

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 by Immunoassay
  • Borrelia burgdorferi Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdorferi; Bb; Burgdorf; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; Lyme; Lyme disease; Lymes; MEIA; Microbiology; Misc; Miscellaneous; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; SUDS; 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.

Common synonyms

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

Frequently asked questions

Code details

Code31155-5
SystemLOINC
Display nameB. burgdorferi Ab IA Qn (Specimen)
DescriptionBorrelia burgdorferi Ab
Short nameB burgdor Ab Spec IA-aCnc
ComponentBorrelia burgdorferi Ab
PropertyACnc
TimingPt
System (specimen)XXX
ScaleQn
MethodIA
ClassMICRO
Example unitsLIV
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.73

Consumer names

Borrelia burgdorferi antibody, Specimen

Part names

Borrelia burgdorferi AbACncPtXXXQnIAArbitrary ConcentrationPoint in time (spot)Immunoassay

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.

LOINC Code 31155-5 | HealthAssure