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LOINC Code 63435-2: B. abortus Ab Antihuman globulin (CSF) [Titer]

63435-2 is a LOINC code used to identify B. abortus Ab Antihuman globulin (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. 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. 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: Antihuman globulin

What it does not mean

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

Key facts

  • Brucella abortus Ab [Titer] in Cerebral spinal fluid by Antihuman globulin
  • Brucella abortus Ab
  • Abort; ABS; Aby; AHG; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B abortus; Bangs disease; Bovine brucellosis; Bruc; Brucellosis; Cerebral spinal fluid; Cerebrospinal Fl; Contagious abortion; Coomb; Coombs; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; 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 Ab Antihuman globulin (CSF) [Titer]Brucella abortus Ab [Titer] in Cerebral spinal fluid by Antihuman globulinB abortus Ab Titr CSF AHGBrucella abortus AbMICROBrucella abortus antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code63435-2
SystemLOINC
Display nameB. abortus Ab Antihuman globulin (CSF) [Titer]
DescriptionBrucella abortus Ab
Short nameB abortus Ab Titr CSF AHG
ComponentBrucella abortus Ab
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
MethodAntihuman globulin
ClassMICRO
Example unitsTiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.75

Consumer names

Brucella abortus antibody, Spinal fluid

Part names

Brucella abortus AbTitrPtCSFSemiQnAntihuman globulinTiterPoint 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.