Schema

Raw

Column Name	Data Type	Description	Example
_ingest_time	varchar	Timestamp of data ingestion	’20240603101655’
emis_registration_id	varchar	Registration identifier	’123e4567-e89b-12d3-a456-426614174000’
emis_registration_organisation_guid	varchar	Organisation identifier for the registration	’123e4567-e89b-12d3-a456-426614174001’
emis_usualgp_userinrole_guid	varchar	Usual GP user-in-role identifier	’123e4567-e89b-12d3-a456-426614174002’
gender	varchar(1)	Patient gender (M / F / I / U)	‘F’
ethnic_category_snomed_concept_id	bigint	Ethnicity SNOMED concept identifier	186019001
ethnicity_emis_code_id	bigint	EMIS ethnicity code identifier	7334778019
date_of_birth	timestamp	Patient date of birth	’1980-01-01’
date_of_death	date	Date of death where recorded	’2025-01-01’
registered_date	timestamp	Date of registration	’2010-03-15’
nhs_no	varchar	National Health Service number	’1234567890’
emis_no	bigint	EMIS patient number	12345
patientid	bigint	Internal identifier for the patient	987654321
emis_registration_type_description	varchar	Registration type description	’GMS’
dummy_patient_flag	boolean	Indicates a dummy/test patient	false
number_and_street	varchar	Street number and name	’123 Main Street’
postcode	varchar	Postcode	’SW1A 1AA’
address_guid	varchar	Address identifier	’c9d0e1f2-a3b4-5678-9012-cdef01234567’
exa_household_key	varchar	EXA household key for linkage	’hh-22222’
residential_institute_code	boolean	Whether a residential institute code is present	false
nhs_number_status	varchar	NHS number status	’Verified’
person_guid	varchar	Person GUID	’b2c3d4e5-f6a7-5b6c-0d1e-2f3a4b5c6d7e’
registration_end_date	timestamp	Date registration ended	’2026-01-01’
imd_decile	bigint	Index of Multiple Deprivation decile	3
sensitive_patient_flag	boolean	Sensitivity indicator	false
confidential_patient_flag	boolean	Confidentiality indicator	false
email_flag	boolean	Whether an email address is present	true
mobile_number_flag	boolean	Whether a mobile number is present	true
home_phone_number_flag	boolean	Whether a home phone number is present	false
carer_name_flag	boolean	Whether a carer name is present	false
carer_relation_flag	boolean	Whether a carer relation is present	false
external_usualgp_guid	varchar	External usual GP GUID	’d0e1f2a3-b4c5-6789-0123-def012345678’
_execution_date	varchar(14)	Extract execution date	’20260521042151’
organisation	varchar	Organisation identifier	’CDB-0001’
study_id	varchar	Study identifier from included patients view	’study-12345’