Reference Intervals for Serum Alpha-Fetoprotein and Carcinoembryonic Antigen in Chinese Han Ethnic Males from the Fangchenggang Area Male Health and Examination Survey

Abstract

The reference intervals for serum AFP and CEA show a slight deviation compared to previously reported reference levels. Distinct reference intervals of serum CEA must be established for smoking and non-smoking populations. In addition, age-dependent reference intervals should be implemented in clinical laboratories.