Metadata

Name Atrial fibrillation
Type Disease or Syndrome
Group Cardiovascular
Data Sources

Clinical Terminologies Read Version 2
ICD-10
Codelists
Valid Event Data Range 01/01/1999 - 01/07/2016
Sex Female
Male
Authors 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
Agreement Date 20 May 2019
Version (UUID) 1 (7LD6QMWnjm3TRHykwMpQ6h)

Primary care

Disease Readcode Medcode ReadcodeDescr Category
Atrial fibrillation 14AN.00 6345 H/O: atrial fibrillation History of atrial fibrillation or flutter (1)
Atrial fibrillation 14AR.00 93460 History of atrial flutter History of atrial fibrillation or flutter (1)
Atrial fibrillation 212R.00 28994 Atrial fibrillation resolved History of atrial fibrillation or flutter (1)
Atrial fibrillation 662S.00 18746 Atrial fibrillation monitoring Atrial fibrillation monitoring (2)
Atrial fibrillation 6A9..00 45773 Atrial fibrillation annual review Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os..00 57832 Atrial fibrillation monitoring administration Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os0.00 90187 Atrial fibrillation monitoring first letter Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os1.00 90188 Atrial fibrillation monitoring second letter Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os2.00 90189 Atrial fibrillation monitoring third letter Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os3.00 90190 Atrial fibrillation monitoring verbal invite Atrial fibrillation monitoring (2)
Atrial fibrillation 9Os4.00 90191 Atrial fibrillation monitoring telephone invite Atrial fibrillation monitoring (2)
Atrial fibrillation 9hF..00 63350 Exception reporting: atrial fibrillation quality indicators Atrial fibrillation monitoring (2)
Atrial fibrillation 9hF1.00 39114 Excepted from atrial fibrillation qual indic: Inform dissent Atrial fibrillation monitoring (2)
Atrial fibrillation G573200 1268 Paroxysmal atrial fibrillation Paroxysmal atrial fibrillation (3)
Atrial fibrillation G573400 96277 Permanent atrial fibrillation Persistent or permanent atrial fibrillation (4)
Atrial fibrillation G573500 96076 Persistent atrial fibrillation Persistent or permanent atrial fibrillation (4)
Atrial fibrillation 3272.00 3757 ECG: atrial fibrillation Atrial fibrillation, not otherwise specified (5)
Atrial fibrillation G573000 1664 Atrial fibrillation Atrial fibrillation, not otherwise specified (5)
Atrial fibrillation G573300 35127 Non-rheumatic atrial fibrillation Atrial fibrillation, not otherwise specified (5)
Atrial fibrillation G573.00 2212 Atrial fibrillation and flutter Atrial fibrillation or flutter (6)
Atrial fibrillation G573z00 23437 Atrial fibrillation and flutter NOS Atrial fibrillation or flutter (6)
Atrial fibrillation 3273.00 6771 ECG: atrial flutter Atrial flutter (7)
Atrial fibrillation G573100 1757 Atrial flutter Atrial flutter (7)

Secondary care

Diagnoses

Disease ICD10code ICD10codeDescr Category
Atrial fibrillation I48 Atrial fibrillation and flutter Fibrillation and flutter

Implementation

Use MODIFIED CALIBER 'Atrial fibrillation' phenotyping algorithm: 

At the specified date, a patient is considered to have had 'Atrial fibrillation' or flutter IF they meet any of the criteria below 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:
1.	1.	Historical & Diagnosed: first recorded AF code indicates monitoring of an existing condition, or reference to a previous AF diagnosis, or a diagnosis code for AF; preference given to the earliest dated record rather than diagnosis source (i.e. no preference for primary versus secondary care).
    1.	af_gprd: category 1, 2, 3, 4, 5, 6, 7
    2.	af_hes: category 6

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