LOINCActiveObservation

LOINC Code 76574-3: H. influenzae lex2 gene NAA+probe Ql (Swab specimen)

76574-3 is a LOINC code used to identify H. influenzae lex2 gene NAA+probe Ql (Swab specimen) 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 Haemophilus influenzae lex2 gene. It is commonly used with the system or sample type XXX.swab.

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 Haemophilus influenzae lex2 gene. It is commonly used with the system or sample type XXX.swab.

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: Probe.amp.tar

What it does not mean

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

Key facts

  • Haemophilus influenzae lex2 gene [Presence] in Swab specimen by NAA with probe detection
  • Haemophilus influenzae lex2 gene
  • This term was created for, but is not limited in use to, Pathogenius Laboratories' Level 1 Wound and/or ENT test panels, which use quantitative PCR to identify commonly-found microorganisms in wound or ear, nose, and throat samples, respectively.
  • 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; DNA NUCLEIC ACID PROBE; DNA probe; H flu; H influenz lex2; H influenza; H influenzae; Haem influ; Haemoph; ID; Infectious Disease; InfectiousDisease; Influ; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; Microbiology; Misc; Miscellaneous; NAA+probe; NAAT; NASBA; Nucleic acid sequence based analysis; Ordinal; Other; PCR; Point in time; Polymerase chain reaction; PR; Probe amp; Probe with ampification; Probe with target amplification; QBR; QL; Qual; Qualitative; Random; Screen; SDA; Spec; Strand Displacement Amplification; TMA; To be specified in another part of the message; Transcription mediated amplification; 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

H. influenzae lex2 gene NAA+probe Ql (Swab specimen)Haemophilus influenzae lex2 gene [Presence] in Swab specimen by NAA with probe detectionH influenz lex2 Swab Ql NAA+probeHaemophilus influenzae lex2 geneMICROHaemophilus influenzae lex2 gene, Swab specimenPrThr

Frequently asked questions

Code details

Code76574-3
SystemLOINC
Display nameH. influenzae lex2 gene NAA+probe Ql (Swab specimen)
DescriptionHaemophilus influenzae lex2 gene
Short nameH influenz lex2 Swab Ql NAA+probe
ComponentHaemophilus influenzae lex2 gene
PropertyPrThr
TimingPt
System (specimen)XXX.swab
ScaleOrd
MethodProbe.amp.tar
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.71

Consumer names

Haemophilus influenzae lex2 gene, Swab specimen

Part names

Haemophilus influenzae lex2 genePrThrPtXXX.swabOrdProbe.amp.tarPresence or ThresholdPoint in time (spot)Swab specimenNucleic acid amplification with probe detection

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.