LOINCActiveBoth

LOINC Code 77383-8: FLUAV Ag IF Ql (BAL)

77383-8 is a LOINC code used to identify FLUAV Ag IF Ql (BAL) 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 Influenza virus A Ag. It is commonly used with the system or sample type BAL.

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 Influenza virus A Ag. It is commonly used with the system or sample type BAL.

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

  • Influenza virus A Ag [Presence] in Bronchoalveolar lavage by Immunofluorescence
  • Influenza virus A Ag
  • This term was created for, but not limited in use to, the Light Diagnostics, Respiratory Panel Viral Screening and Identification IFA kit, for the qualitative identification of Adenovirus, Influenza A, Influenza B, Parainfluenza 1, 2, 3, and Respiratory Syncytial virus in cell culture, which uses an indirect immunofluorescence technique for identifying viruses.
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Avian influenza; Bird flu; Bronchial alveolar lavage; Bronchoalveolar lavage; DFA; FA; FLUA; FLUAV; Fluorescent antibody; Fluoresent; FLUV; Fowl plague; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Influ; Influenza A; Influenza A virus; Lung; Microbiology; Ordinal; Point in time; PR; Pulmonary; Pulmonology; Ql; Qual; Qualitative; Random; Respiratory; Screen; Time Resolved Fluorescence; TRF

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

FLUAV Ag IF Ql (BAL)Influenza virus A Ag [Presence] in Bronchoalveolar lavage by ImmunofluorescenceFLUAV Ag BAL Ql IFInfluenza virus A AgMICROInfluenza A (Flu A) antigen, Bronchoalveolar lavage specimenPrThr

Frequently asked questions

Code details

Code77383-8
SystemLOINC
Display nameFLUAV Ag IF Ql (BAL)
DescriptionInfluenza virus A Ag
Short nameFLUAV Ag BAL Ql IF
ComponentInfluenza virus A Ag
PropertyPrThr
TimingPt
System (specimen)BAL
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.56

Consumer names

Influenza A (Flu A) antigen, Bronchoalveolar lavage specimen

Part names

Influenza virus A AgPrThrPtBALOrdIFPresence or ThresholdPoint in time (spot)Bronchoalveolar lavageImmunofluorescence (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.