Electronic Frailty Index (EFI) score codes

PH2517 / 6124

NHSD Primary Care Domain Refsets

Jan 26, 2026

REGISTERING DOI...

OpenCodelists Phenotype

  1. Overview

    Codelist ID
    nhsd-primary-care-domain-refsets/efi_cod
    Version ID
    40a64f80
    Version Tag
    20211221
    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.

    Taken from the EFI_COD refset published by NHSD.

    © 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. References

    Source Reference

    https://www.opencodelists.org/codelist/nhsd-primary-care-domain-refsets/efi_cod/20211221

    References

  4. Clinical Codelist

  5. API

    To Export Phenotype Details:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH2517/version/6124/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(
     'PH2517',
     version_id=6124
    )

    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(
     'PH2517',
     version_id=6124
    )

    To Export Phenotype Code List:

    FormatAPI
    JSON site_root/api/v1/phenotypes/PH2517/version/6124/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(
     'PH2517',
     version_id=6124
    )

    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(
     'PH2517',
     version_id=6124
    )

  6. Version History

    Version IDNameOwnerPublish date
    Electronic Frailty Index (EFI) score codes ieuan.scanlon2026-01-26 22:20