LOINCActiveObservation

LOINC Code 85821-7: FLUBV Vic Ag HAI Ql (Isol)

85821-7 is a LOINC code used to identify FLUBV Vic Ag HAI Ql (Isol) 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 B Victoria lineage Ag. It is commonly used with the system or sample type Isolate.

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 Influenza Virus B Victoria lineage Ag. It is commonly used with the system or sample type Isolate.

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: Observation
  • Method: HAI

What it does not mean

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

Key facts

  • Influenza virus B Victoria lineage Ag [Presence] in Isolate by Hemagglutination inhibition
  • Influenza Virus B Victoria lineage Ag
  • Antigen; Antigens; FLUB; FLUBV; FLUBV Vic; FLUBV Victoria; FLUBV Victoria Ag; FLUV; HEMAGGLUTINATION INHIBITION; HI; ID; Infectious Disease; InfectiousDisease; Influ; Influenza B; Influenza B virus; Islt; Isol; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

FLUBV Vic Ag HAI Ql (Isol)Influenza virus B Victoria lineage Ag [Presence] in Isolate by Hemagglutination inhibitionFLUBV Vic Ag Islt Ql HAIInfluenza Virus B Victoria lineage AgMICROInfluenza B Vic antigenPrThr

Frequently asked questions

Code details

Code85821-7
SystemLOINC
Display nameFLUBV Vic Ag HAI Ql (Isol)
DescriptionInfluenza Virus B Victoria lineage Ag
Short nameFLUBV Vic Ag Islt Ql HAI
ComponentInfluenza Virus B Victoria lineage Ag
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
MethodHAI
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.61

Consumer names

Influenza B Vic antigen

Part names

Influenza Virus B Victoria lineage AgPrThrPtIsolateOrdHAIPresence or ThresholdPoint in time (spot)Hemagglutination inhibition

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 85821-7 | HealthAssure