Name Subdural haematoma - nontraumatic
Type Disease or Syndrome
Group Cardiovascular
Data Sources

Clinical Terminologies Read Version 2
Codelists kuan_subdural_haem_KgmoHwc6cnDpiVAdXRCLTm_Read2.csv kuan_subdural_haem_KgmoHwc6cnDpiVAdXRCLTm_ICD10.csv
Valid Event Data Range 01/01/1999 - 01/07/2016
Sex Female
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 (KgmoHwc6cnDpiVAdXRCLTm)

Primary care

Disease Readcode Medcode ReadcodeDescr Category
Subdural haematoma - nontraumatic G621.00 4273.0 Subdural haemorrhage - nontraumatic Diagnosis of Subdural haematoma – nontraumatic
Subdural haematoma - nontraumatic G622.00 17734.0 Subdural haematoma - nontraumatic Diagnosis of Subdural haematoma – nontraumatic

Secondary care


Disease ICD10code ICD10codeDescr Category
Subdural haematoma - nontraumatic I62.0 Subdural haemorrhage (acute)(nontraumatic) Diagnosis of Subdural haemorrhage (acute)(nontraumatic)


At the specified date, a patient is defined as having had Subdural haemorrhage (acute)(nontraumatic) 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. Subdural haemorrhage (acute)(nontraumatic) diagnosis or history of diagnosis during a consultation 
Secondary care (ICD10)
1. ALL diagnoses of Subdural haemorrhage (acute)(nontraumatic) or history of diagnosis during a hospitalization


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