Data Dictionary: Estonian Health Insurance Fund (EHIF) Database

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Core Patient Data
ID number
Name
Date of birth
Date of death
Sex
Address

Medical contacts data
Healthcare provider information
Doctor information
Type of healthcare
Main and co-diagnoses
Date of admission
Date of discharge
Regular procedures
Surgical procedures
Date of procedures
Amount of procedures
Diagnosis Related Groups (DRGs) for inpatient care

Outpatient Care Data
Date of admission
Date of discharge
Dispensing pharmacy information
Diagnoses
Discount rate
Date of dispensing
Date of purchase
Active substance code
Dispensed ATC Codes
Dispensed dosages
Level of content
Total dispensed amount of medicine
Number of packages
Price of medicine
Paid price
Discount price
Medical reason for prescription limitations

Incapacity to Work Data
Company where patient works
Salary
Start and end date of incapacity to work
Reason for incapacity to work
Type of incapacity

Diagnostic Data
ICD-10 codes for diagnoses
Anatomical Therapeutic Chemical (ATC) Classification System codes for active substance of medicine
NOMESCO Classification of Surgical Procedures codes for surgical procedures

Miscellaneous Data
Dates and frequencies of procedures and laboratory tests
Insurance status
Obesity and alcohol abuse codes as diagnoses
Patient's contact data (i.e., address, telephone number, etc.) from Population Registry
Healthcare provider information from Business Register
Insurance status information from Employment Registry
No information on vaccinations, laboratory results, and physical examination results.