LOINCActiveBoth

LOINC Code 23389-0: Rabies virus Ag IA Ql (Brain)

23389-0 is a LOINC code used to identify Rabies virus Ag IA Ql (Brain) 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 Rabies virus Ag. It is commonly used with the system or sample type Brain.

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 Rabies virus Ag. It is commonly used with the system or sample type Brain.

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

  • Rabies virus Ag [Presence] in Brain by Immunoassay
  • Rabies virus Ag
  • Antigen; Antigens; Cerebral; Cerebrum; EIA; ELFA; ELISA; Enzyme immunoassay; Head; IAA; ID; Infectious Disease; InfectiousDisease; Intracranial; Lyssavirus; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Rabies; RABV; Random; Screen; SUDS

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

Rabies virus Ag IA Ql (Brain)Rabies virus Ag [Presence] in Brain by ImmunoassayRABV Ag Brain Ql IARabies virus AgMICRORabies virus antigen, BrainPrThr

Frequently asked questions

Code details

Code23389-0
SystemLOINC
Display nameRabies virus Ag IA Ql (Brain)
DescriptionRabies virus Ag
Short nameRABV Ag Brain Ql IA
ComponentRabies virus Ag
PropertyPrThr
TimingPt
System (specimen)Brain
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.56

Consumer names

Rabies virus antigen, Brain

Part names

Rabies virus AgPrThrPtBrainOrdIAPresence or ThresholdPoint 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 23389-0 | HealthAssure