HealthAssure
HealthAssureGood Life
LOINCActiveBoth

LOINC Code 23987-1: B. abortus IgM IF (CSF) [Titer]

23987-1 is a LOINC code used to identify B. abortus IgM IF (CSF) [Titer] 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 Brucella abortus Ab.IgM. 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 Brucella abortus Ab.IgM. 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
  • Method: IF

What it does not mean

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

Key facts

  • Brucella abortus IgM Ab [Titer] in Cerebral spinal fluid by Immunofluorescence
  • Brucella abortus Ab.IgM
  • Abort; ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; B abortus; Bangs disease; Bovine brucellosis; Bruc; Brucellosis; Cerebral spinal fluid; Cerebrospinal Fl; Contagious abortion; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr; Undulant fever

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. abortus IgM IF (CSF) [Titer]Brucella abortus IgM Ab [Titer] in Cerebral spinal fluid by ImmunofluorescenceB abortus IgM Titr CSF IFBrucella abortus Ab.IgMMICROBrucella abortus IgM antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code23987-1
SystemLOINC
Display nameB. abortus IgM IF (CSF) [Titer]
DescriptionBrucella abortus Ab.IgM
Short nameB abortus IgM Titr CSF IF
ComponentBrucella abortus Ab.IgM
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
MethodIF
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0o
Last changed2.75

Consumer names

Brucella abortus IgM antibody, Spinal fluid

Part names

Brucella abortus Ab.IgMTitrPtCSFSemiQnIFBrucella abortus IgMTiterPoint in time (spot)Cerebral spinal fluidImmunofluorescence (IF)

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 23987-1 | HealthAssure