National recommendations of the Croatian society of medical biochemistry and laboratory medicine: Thyroid function tests from the laboratory point of view

Highlights • The previously published survey revealed significant variability in practices regarding thyroid function tests among more than 250 Croatian medical-biochemistry laboratories • The recommendations address key aspects of routine laboratory work, considering local Croatian possibilities within the national healthcare system • Seven preanalytical, 12 analytical and 8 postanalytical recommendations are based on mandatory national guidelines, published research, international guidelines, and consensus among the authors • The aim is to provide a laboratory-oriented framework that harmonizes practices and policies to benefit not only laboratories but also patients and their physicians