Metadata

Name Left bundle branch block
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 (NzHFqJLxSw3A8oVebtDpez)

Primary care

Disease Readcode Medcode ReadcodeDescr Category
Left bundle branch block 329A.00 4690.0 ECG: left bundle branch block Diagnosis of Left bundle branch block
Left bundle branch block G562.11 17840.0 Left bundle branch block Diagnosis of Left bundle branch block
Left bundle branch block G563.00 26318.0 Left main stem bundle branch block Diagnosis of Left bundle branch block

Secondary care

Diagnoses

Disease ICD10code ICD10codeDescr Category
Left bundle branch block I44.7 Left bundle-branch block, unspecified Diagnosis of Left bundle branch block

Implementation

At the specified date, a patient is defined as having had 'Left bundle branch block' 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. 'Left bundle branch block' diagnosis or history of diagnosis during a consultation 
OR
Secondary care (ICD10)
1. ALL diagnoses of 'Left bundle branch block' or history of diagnosis during a hospitalization

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