LOINCActiveBoth

LOINC Code 50329-2: RSV Ag Immune stain Ql (Tiss)

50329-2 is a LOINC code used to identify RSV Ag Immune stain Ql (Tiss) 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 Respiratory syncytial virus Ag. It is commonly used with the system or sample type Tiss.

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 Respiratory syncytial virus Ag. It is commonly used with the system or sample type Tiss.

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: Immune stain

What it does not mean

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

Key facts

  • Respiratory syncytial virus Ag [Presence] in Tissue by Immune stain
  • Respiratory syncytial virus Ag
  • Antigen; Antigens; HRSV; ID; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RSV; Screen; St; Stains; Stn; Tissue; Tissue, 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

RSV Ag Immune stain Ql (Tiss)Respiratory syncytial virus Ag [Presence] in Tissue by Immune stainRSV Ag Tiss Ql ImStnRespiratory syncytial virus AgMICRORespiratory syncytial virus (RSV) antigen, TissuePrThr

Frequently asked questions

Code details

Code50329-2
SystemLOINC
Display nameRSV Ag Immune stain Ql (Tiss)
DescriptionRespiratory syncytial virus Ag
Short nameRSV Ag Tiss Ql ImStn
ComponentRespiratory syncytial virus Ag
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodImmune stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.56

Consumer names

Respiratory syncytial virus (RSV) antigen, Tissue

Part names

Respiratory syncytial virus AgPrThrPtTissOrdImmune stainPresence or ThresholdPoint in time (spot)Tissue and Smears

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 50329-2 | HealthAssure