This is the 729th most frequent Croatian word.
zdravstvene
"Zdravstvene" means "health" or "health-related" in English.
The word 'zdravstvene' in this sentence specifies institutions associated with health, like hospitals.
Zdravstvene ustanove su trenutno prenatrpane.
Healthcare institutions are currently overcrowded.
The word 'zdravstvene' here describes benefits that are related to health or healthcare.
Imamo zdravstvene beneficije u našoj organizaciji.
We have healthcare benefits in our organization.
Here, 'zdravstvene' modifies 'preglede', indicating the check-ups are for health-related purposes.