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.

LOINC

LOINC Code 591-8: Legionella sp Org specific cx Nom (Sptc)

Name: LOINC Code 591-8: Legionella sp Org specific cx Nom (Sptc)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:39.743Z

591-8 is a LOINC code used to identify Legionella sp Org specific cx Nom (Sptc) 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. It is commonly used with the system or sample type Sptc.

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

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: DEPRECATED
Method: Organism specific culture

What it does not mean

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

Key facts

Deprecated Legionella sp identified in Sputum (cough) by Organism specific culture
Legionella sp
C&S; Cult; Cultures; ID; Identity or presence; Infectious Disease; InfectiousDisease; Legion; Legionela; Lung; Microbiology; Nominal; Point in time; Pulmonary; Pulmonology; Random; Respiratory; Spec; species; spp

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

Legionella sp Org specific cx Nom (Sptc)Deprecated Legionella sp identified in Sputum (cough) by Organism specific cultureDeprecated Legionella CultLegionella spMICROLegionella sp culture, SptcPrid

Frequently asked questions

Code details

Code591-8

SystemLOINC

Display nameLegionella sp Org specific cx Nom (Sptc)

DescriptionLegionella sp

Short nameDeprecated Legionella Cult

ComponentLegionella sp

PropertyPrid

TimingPt

System (specimen)Sptc

ScaleNom

MethodOrganism specific culture

ClassMICRO

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.40

Consumer names

Legionella sp culture, Sptc

Part names

Legionella spPridPtSptcNomOrganism specific culturePresence 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.