Bell's palsy

PH3308 / 8302

OpenSAFELY

Jan 26, 2026

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OpenCodelists Phenotype

  1. Overview

    Codelist ID
    opensafely/bells-palsy
    Version ID
    2a1a03e9
    Coding System
    Read codes v3
    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.

    CTV3 codelist for incident Bell's palsy

    Included unspecified facial nerve disorders following Leite et al.

    Did not include: - facial nerve disorders with other specified cause (e.g. zoster, trauma) or specified as 'other' - history of Bell's palsy - palsies of an unspecified cranial nerve - multiple cranial nerve palsies (including palsies specified as both cranial nerves 5+7)

    © 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

    Search and selection strategy adapted from Read v2 codelist by Leite et al (2017) for vaccine safety surveillance Github issue here https://github.com/opensafely/codelist-development/issues/135

  4. References

    Source Reference

    https://www.opencodelists.org/codelist/opensafely/bells-palsy/2a1a03e9

    References

  5. Clinical Codelist

  6. API

    To Export Phenotype Details:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH3308/version/8302/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(
     'PH3308',
     version_id=8302
    )

    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(
     'PH3308',
     version_id=8302
    )

    To Export Phenotype Code List:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH3308/version/8302/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(
     'PH3308',
     version_id=8302
    )

    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(
     'PH3308',
     version_id=8302
    )

  7. Version History

    Version IDNameOwnerPublish date
    Bell's palsy ieuan.scanlon2026-01-26 23:10