Phenotype Library | phenotype: Alopecia areata

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

PH96

Version ID

192

Type

Disease or Syndrome

Data Sources

CPRD GOLD , HES Admitted Patient Care data for CPRD GOLD

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

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

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

OR Secondary care (ICD10)

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

Implementation

PhenoFlow Implementation:

https://kclhi.org/phenoflow/phenotype/download/283

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

CSV

JSON

XML

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C951/3041 Alopecia areata - Primary care - Read codes v2

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

C952/3043 Alopecia areata - Primary care - Med codes

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

C953/3045 Alopecia areata - Secondary care - Diagnoses - ICD10 codes

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