A Decade of Change in Adult CT Radiation Doses: 2025 U.S. Diagnostic Reference Levels

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Authors: Kalpana M. Kanal, Donald P. Frush, Eric L. Gingold, Mahadevappa Mahesh, Ehsan Samei, William K. Breeden, David B. Larson, Olav Christianson, Thomas M. Griglock
Cited by: 1
References: 15

Abstract

National adult CT diagnostic reference levels declined by an average of 21.8% between 2014 and 2025, based on an updated, acquisition-level, size-normalized methodology capable of near–real-time, clinically relevant benchmarking.

Fields of Study & Subjects

Radiation Dose and Imaging Advanced X-ray and CT Imaging Cardiac Imaging and Diagnostics

Publication details

Journal / source
Radiology
Publisher
Radiological Society of North America (RSNA)
Volume
320
Issue
1
Pages
e260322–e260322
Publication date
1 July 2026
Language
EN