What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 38462-8: Legionella sp Ag IF Ql (Sput)

Name: LOINC Code 38462-8: Legionella sp Ag IF Ql (Sput)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

38462-8 is a LOINC code used to identify Legionella sp Ag IF Ql (Sput) 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 Legionella sp Ag. It is commonly used with the system or sample type Sputum.

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 Legionella sp Ag. It is commonly used with the system or sample type Sputum.

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

Legionella sp Ag [Presence] in Sputum by Immunofluorescence
Legionella sp Ag
ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; DFA; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Legion; Legionela; Lower respiratory; Lung; Microbiology; Ordinal; Point in time; PR; Pulmonary; Pulmonology; Ql; Qual; Qualitative; Random; Respiratory; Screen; species; spp; Spt; Sputum; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Legionella sp Ag IF Ql (Sput) (38462-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Legionella sp Ag IF Ql (Sput)Legionella sp Ag [Presence] in Sputum by ImmunofluorescenceLegionella Ag Spt Ql IFLegionella sp AgMICROLegionella sp antigen, SputumPrThr

Frequently asked questions

Code details

Code38462-8

SystemLOINC

Display nameLegionella sp Ag IF Ql (Sput)

DescriptionLegionella sp Ag

Short nameLegionella Ag Spt Ql IF

ComponentLegionella sp Ag

PropertyPrThr

TimingPt

System (specimen)Sputum

ScaleOrd

MethodIF

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.14

Last changed2.56

Consumer names

Legionella sp antigen, Sputum

Part names

Legionella sp AgPrThrPtSputumOrdIFPresence 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.