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 557-9: Chlamydia sp identified Org specific cx Nom (Genital specimen)

Name: LOINC Code 557-9: Chlamydia sp identified Org specific cx Nom (Genital specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

557-9 is a LOINC code used to identify Chlamydia sp identified Org specific cx Nom (Genital 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 Chlamydia sp. It is commonly used with the system or sample type Genital.

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 Chlamydia sp. It is commonly used with the system or sample type Genital.

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: Organism specific culture

What it does not mean

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

Key facts

Chlamydia sp identified in Genital specimen by Organism specific culture
Chlamydia sp
C&S; Chlam; Chlamid; Cult; Cultures; Gen; Genital tract; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Nominal; Point in time; Random; Spec; species; spp; Urogenit; Urogenital

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 Chlamydia sp identified Org specific cx Nom (Genital specimen) (557-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Chlamydia sp identified Org specific cx Nom (Genital specimen)Chlamydia sp identified in Genital specimen by Organism specific cultureChlamydia Genital CultChlamydia spMICROChlamydia sp culture, Genital specimenPrid

Frequently asked questions

Code details

Code557-9

SystemLOINC

Display nameChlamydia sp identified Org specific cx Nom (Genital specimen)

DescriptionChlamydia sp

Short nameChlamydia Genital Cult

ComponentChlamydia sp

PropertyPrid

TimingPt

System (specimen)Genital

ScaleNom

MethodOrganism specific culture

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.79

Consumer names

Chlamydia sp culture, Genital specimen

Part names

Chlamydia spPridPtGenitalNomOrganism 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.