HealthAssure
HealthAssureGood Life
LOINCActiveBoth

LOINC Code 43074-4: B. burgdorferi C6 Ab Qn (CSF)

43074-4 is a LOINC code used to identify B. burgdorferi C6 Ab Qn (CSF) 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 C6 Ab. It is commonly used with the system or sample type CSF.

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 C6 Ab. It is commonly used with the system or sample type CSF.

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 C6 Ab [Units/volume] in Cerebral spinal fluid
  • Borrelia burgdorferi C6 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdor C6; B burgdorferi; Bb; Burgdorf; C6 Lyme Peptide; Cerebral spinal fluid; Cerebrospinal Fl; ID; Infectious Disease; InfectiousDisease; Lyme; Lyme disease; Lymes; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid

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 C6 Ab Qn (CSF)Borrelia burgdorferi C6 Ab [Units/volume] in Cerebral spinal fluidB burgdor C6 Ab CSF-aCncBorrelia burgdorferi C6 AbMICROBorrelia burgdorferi C6 antibody, Spinal fluidACnc

Frequently asked questions

Code details

Code43074-4
SystemLOINC
Display nameB. burgdorferi C6 Ab Qn (CSF)
DescriptionBorrelia burgdorferi C6 Ab
Short nameB burgdor C6 Ab CSF-aCnc
ComponentBorrelia burgdorferi C6 Ab
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.69

Consumer names

Borrelia burgdorferi C6 antibody, Spinal fluid

Part names

Borrelia burgdorferi C6 AbACncPtCSFQnArbitrary ConcentrationPoint in time (spot)Cerebral spinal fluid

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.