From: Chronic-disease patients and their use of out-of-hours primary health care: a cross-sectional study
 | National registries in Denmark | Variables |
---|---|---|
Heart diseases | Danish National Registry of Patients | ICD-10 codes: I20, I21 |
Lung diseases | Danish National Registry of Patients | ICD-10 codes: J40-47, J96 |
National Health Insurance Service Registry | Service codes: 7113, 7121 (spirometries) | |
Danish National Prescription Registry | ATC codes: R03AC, R03AK, R03BA, R03BB, R03CC, R03DA, R03DC, V03AN01 (oxygen) | |
Diabetes | National Diabetes Registry | Civil registration number (CPR) and corresponding registry data |
Psychiatric diseases | Danish Psychiatric Central Registry | ICD-10 codes: F20, F25, F30, F31 |
Cancer | Danish Cancer Registry | ICD-10 codes: C00-C97 (excl. C44) |