LOINCActiveBoth

LOINC Code 54242-3: FLUV identified Nom (Isol)

54242-3 is a LOINC code used to identify FLUV identified Nom (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. 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. 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: Both

What it does not mean

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

Key facts

  • Influenza virus identified in Isolate
  • Influenza virus
  • FLUV; ID; Identity or presence; Infectious Disease; InfectiousDisease; Influ; Islt; Isol; Microbiology; Nominal; Point in time; Random

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

FLUV identified Nom (Isol)Influenza virus identified in IsolateFLUV IsltInfluenza virusMICROInfluenza (Flu) testPrid

Frequently asked questions

Code details

Code54242-3
SystemLOINC
Display nameFLUV identified Nom (Isol)
DescriptionInfluenza virus
Short nameFLUV Islt
ComponentInfluenza virus
PropertyPrid
TimingPt
System (specimen)Isolate
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.27
Last changed2.79

Consumer names

Influenza (Flu) test

Part names

Influenza virusPridPtIsolateNomPresence or IdentityPoint in time (spot)

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 54242-3 | HealthAssure