LOINCActiveBoth

LOINC Code 23699-2: Canine parainfluenza virus 2 Ag IF Ql (Tiss)

23699-2 is a LOINC code used to identify Canine parainfluenza virus 2 Ag IF 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 Canine parainfluenza virus 2 Ag. It is commonly used with the system or sample type Tiss.

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 Canine parainfluenza virus 2 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: IF

What it does not mean

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

Key facts

  • Canine parainfluenza virus 2 Ag [Presence] in Tissue by Immunofluorescence
  • Canine parainfluenza virus 2 Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Canine PIV2; Canine tracheobronchitis; CPIV-2; DFA; Dog; FA; Fluorescent antibody; Fluoresent; HPIV; HPIV2; Human rubulavirus 2; ID; IFA; II; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Para; Parainflu; Parainfluenza type 2; Parainfluenza type II; PI2; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Time Resolved Fluorescence; Tissue; Tissue, unspecified; TRF; Vet; Veterinary

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

Canine parainfluenza virus 2 Ag IF Ql (Tiss)Canine parainfluenza virus 2 Ag [Presence] in Tissue by ImmunofluorescenceCanine PIV2 Ag Tiss Ql IFCanine parainfluenza virus 2 AgMICROCanine Parainfluenza virus 2 antigen, TissuePrThr

Frequently asked questions

Code details

Code23699-2
SystemLOINC
Display nameCanine parainfluenza virus 2 Ag IF Ql (Tiss)
DescriptionCanine parainfluenza virus 2 Ag
Short nameCanine PIV2 Ag Tiss Ql IF
ComponentCanine parainfluenza virus 2 Ag
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Canine Parainfluenza virus 2 antigen, Tissue

Part names

Canine parainfluenza virus 2 AgPrThrPtTissOrdIFPresence or ThresholdPoint in time (spot)Tissue and SmearsImmunofluorescence (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.