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Alopecia areata

Kuan V, Denaxas S, Gonzalez-Izquierdo A, Direk K, Bhatti O, Husain S, Sutaria S, Hingorani M, Nitsch D, Parisinos C, Lumbers T, Mathur R, Sofat R, Casas JP, Wong I, Hemingway H, Hingorani A

Type
Disease or Syndrome
ID
PH96
Version ID
192
Valid event data range
01/01/1999 - 01/07/2016
Sex
Female, Male
Agreement Date
2019-05-20
Coding system
Read codes v2 ICD10 codes Med codes
Tags /Collections
CALIBER Phenotype Library

Definition

At the specified date, a patient is defined as having had 'Alopecia areata' IF they meet the criteria for any of the following on or before the specified date. The earliest date on which the individual meets any of the following criteria on or before the specified date is defined as the first event date:

Primary care

  1. 'Alopecia areata' diagnosis or history of diagnosis during a consultation

OR Secondary care (ICD10)

  1. ALL diagnoses of 'Alopecia areata' or history of diagnosis during a hospitalization

Implementation


Publications

  • Kuan V., Denaxas S., Gonzalez-Izquierdo A. et al. A chronological map of 308 physical and mental health conditions from 4 million individuals in the National Health Service. The Lancet Digital Health - DOI 10.1016/S2589-7500(19)30012-3

Clinical Code List

Rows: 6
Code Description Disease Medcode Category
M240100 Alopecia areata Alopecia areata 685.0 Diagnosis of Alopecia areata
M240111 Ophiasis Alopecia areata 60422.0 Diagnosis of Alopecia areata
M240B00 Alopecia totalis Alopecia areata 2449.0 Diagnosis of Alopecia areata
M240K00 Alopecia universalis Alopecia areata 2154.0 Diagnosis of Alopecia areata
M240U00 Ophiasis Alopecia areata 99217.0 Diagnosis of Alopecia areata
Myu6200 [X]Other alopecia areata Alopecia areata 53782.0 Diagnosis of Alopecia areata
Rows: 6
Code Description Disease ReadcodeDescr Readcode
2154.0 Diagnosis of Alopecia areata Alopecia areata Alopecia universalis M240K00
2449.0 Diagnosis of Alopecia areata Alopecia areata Alopecia totalis M240B00
53782.0 Diagnosis of Alopecia areata Alopecia areata [X]Other alopecia areata Myu6200
60422.0 Diagnosis of Alopecia areata Alopecia areata Ophiasis M240111
685.0 Diagnosis of Alopecia areata Alopecia areata Alopecia areata M240100
99217.0 Diagnosis of Alopecia areata Alopecia areata Ophiasis M240U00
Rows: 1
Code Description Disease Category
L63 Alopecia areata Alopecia areata Diagnosis of Alopecia areata

API

To Export Phenotype Details:

Format API
XML site_root/api/v1/public/phenotypes/PH96/version/192/detail/?format=xml
JSON site_root/api/v1/public/phenotypes/PH96/version/192/detail/?format=json
R Package

# Download here

library(ConceptLibraryClient)


# Connect to API

client = connect_to_API(public=TRUE)


# Get details of phenotype

details = get_phenotype_detail_by_version('PH96', '192', api_client=client)

To Export Phenotype Code List:

Format API
XML site_root/api/v1/public/phenotypes/PH96/version/192/export/codes/?format=xml
JSON site_root/api/v1/public/phenotypes/PH96/version/192/export/codes/?format=json
CSV site_root/phenotypes/PH96/version/192/export/codes/
R Package

# Download here

library(ConceptLibraryClient)


# Connect to API

client = connect_to_API(public=TRUE)


# Get codelists of phenotype

codelists = get_phenotype_code_list('PH96', '192', api_client=client)

Version History

Version
ID
Name Owner Publish date
192 Alopecia areata ieuan.scanlon 2021-10-06 currently shown

Export - export all codes into a csv file/JSON/XML for the current phenotype version.

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