LOINCActiveBoth

LOINC Code 97528-4: N. fowleri Ag IF Ql (Specimen)

97528-4 is a LOINC code used to identify N. fowleri Ag IF Ql (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 Naegleria fowleri Ag. It is commonly used with the system or sample type XXX.

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 Naegleria fowleri Ag. It is commonly used with the system or sample type XXX.

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

  • Naegleria fowleri Ag [Presence] in Specimen by Immunofluorescence
  • Naegleria fowleri Ag
  • ACIF; Amebic meningoencephalitis; Anticomplement Immunofluorescence; Antigen; Antigens; DFA; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; N fowleri; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; Time Resolved Fluorescence; To be specified in another part of the message; TRF; 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

N. fowleri Ag IF Ql (Specimen)Naegleria fowleri Ag [Presence] in Specimen by ImmunofluorescenceN fowleri Ag Spec Ql IFNaegleria fowleri AgMICRONaegleria fowleri antigen, SpecimenPrThr

Frequently asked questions

Code details

Code97528-4
SystemLOINC
Display nameN. fowleri Ag IF Ql (Specimen)
DescriptionNaegleria fowleri Ag
Short nameN fowleri Ag Spec Ql IF
ComponentNaegleria fowleri Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

Naegleria fowleri antigen, Specimen

Part names

Naegleria fowleri AgPrThrPtXXXOrdIFPresence or ThresholdPoint in time (spot)Immunofluorescence (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.