Symptoms: diarrhoea

PH3756 / 8892

OpenSAFELY

Jan 26, 2026

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OpenCodelists Phenotype

  1. Overview

    Codelist ID
    opensafely/symptoms-diarrhoea
    Version ID
    7b4f7876
    Coding System
    SNOMED CT codes
    Collections
    OpenCodelistPhenotype Library
    Tags
    No data

  2. Definition

    This codelist was taken from OpenCodelists, created by OpenSAFELY. We recommend viewing this Phenotype on the OpenCodelist website to view the most recent version.

    Code list aiming to identify individuals consulting complaining of diarrhoea

    © University of Oxford for the Bennett Institute for Applied Data Science 2025. This work may be copied freely for non-commercial research and study.

  3. Methodology

    Identified from intial search terms outside of OpenCodelists: "diarrhoea" "diarrhea" "loose stool" "stool loose" watery stool" "stool watery" "loose faeces" loose feces" "faeces loose" "feces loose" watery faeces" "watery feces" faeces watery" feces watery" loose bowel" "bowel loose"

    Clearly irrelevant codes excluded (with review by a second clinician)

    Candidate codelist reviewed outside OpenCodelists by two clinicians.

    Excluded codes suggesting infectious cause of symptoms. Excluded bloody diarrhoea or codes suggesting possible inflammatory bowel disease. Excluded diarrhoea care codes, as suggests potentially longterm symptom with known cause. Excluded overflow diarrhoea as suggests constipation.

  4. References

    Source Reference

    https://www.opencodelists.org/codelist/opensafely/symptoms-diarrhoea/7b4f7876

  5. Clinical Codelist

  6. API

    To Export Phenotype Details:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH3756/version/8892/detail/?format=json
    R Package

    # Download here

    library(ConceptLibraryClient)


    # Connect to API

    client = ConceptLibraryClient::Connection$new(public=TRUE)


    # Get details of Phenotype

    phenotype_details = client$phenotypes$get_detail(
     'PH3756',
     version_id=8892
    )

    Py Package

    # Download here

    from pyconceptlibraryclient import Client


    # Connect to API

    client = Client(public=True)


    # Get details of Phenotype

    phenotype_detail = client.phenotypes.get_detail(
     'PH3756',
     version_id=8892
    )

    To Export Phenotype Code List:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH3756/version/8892/export/codes/?format=json
    R Package

    # Download here

    library(ConceptLibraryClient)


    # Connect to API

    client = ConceptLibraryClient::Connection$new(public=TRUE)


    # Get codelist of Phenotype

    phenotype_codelist = client$phenotypes$get_codelist(
     'PH3756',
     version_id=8892
    )

    Py Package

    # Download here

    from pyconceptlibraryclient import Client


    # Connect to API

    client = Client(public=True)


    # Get codelist of Phenotype

    phenotype_codelist = client.phenotypes.get_codelist(
     'PH3756',
     version_id=8892
    )

  7. Version History

    Version IDNameOwnerPublish date
    Symptoms: diarrhoea ieuan.scanlon2026-01-26 23:33