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 537-1: Mycobacterium sp identified Org specific cx Nom (Periton fld)

Name: LOINC Code 537-1: Mycobacterium sp identified Org specific cx Nom (Periton fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

537-1 is a LOINC code used to identify Mycobacterium sp identified Org specific cx Nom (Periton fld) 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 Mycobacterium sp. It is commonly used with the system or sample type Periton fld.

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 Mycobacterium sp. It is commonly used with the system or sample type Periton fld.

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

Mycobacterium sp identified in Peritoneal fluid by Organism specific culture
Mycobacterium sp
Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Ascites; Ascitic fluid; Ascitis; C&S; Cult; Cultures; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Myco; Mycobact; Nominal; Peritoneal fluid; Point in time; Prt; Random; Spec; species; spp; Tuberculosis

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 Mycobacterium sp identified Org specific cx Nom (Periton fld) (537-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Mycobacterium sp identified Org specific cx Nom (Periton fld)Mycobacterium sp identified in Peritoneal fluid by Organism specific cultureMycobacterium Prt CultMycobacterium spMICROMycobacterium sp culture, Peritoneal fluidPrid

Frequently asked questions

Code details

Code537-1

SystemLOINC

Display nameMycobacterium sp identified Org specific cx Nom (Periton fld)

DescriptionMycobacterium sp

Short nameMycobacterium Prt Cult

ComponentMycobacterium sp

PropertyPrid

TimingPt

System (specimen)Periton fld

ScaleNom

MethodOrganism specific culture

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.78

Consumer names

Mycobacterium sp culture, Peritoneal fluid

Part names

Mycobacterium spPridPtPeriton fldNomOrganism specific culturePresence or IdentityPoint in time (spot)Peritoneal fluid

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.