From: Decomposition of outpatient health care spending by disease - a novel approach using insurance claims data
Level 2 diseases
Level 3 diseases
DRG codes (inpatient care)
333
290
ATC codes (drugs)
487
278
Physician specialization
18
2
Tariff catalogues
 TarMed
85
104
 AL
0
9
 MiGeL
22
19