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. 2012 May 27;29(1):177–183. doi: 10.1007/s10554-012-0044-2

Table 2.

RRL designations

RRLa Adult effective dose estimate range (mSv) Pediatric effective dose estimate range (mSv)
O 0 0
graphic file with name 10554_2012_44_Figc_HTML.gif <0.1 <0.03
graphic file with name 10554_2012_44_Figd_HTML.gif 0.1–1 0.03–0.3
graphic file with name 10554_2012_44_Figa_HTML.gif 1–10 0.3–3
graphic file with name 10554_2012_44_Figb_HTML.gif 10–30 3–10
graphic file with name 10554_2012_44_Fige_HTML.gif 30–100 10–30

aRRL assignments for some of the examinations cannot be made, because the actual patient doses in these procedures vary as a function of a number of factors (e.g., region of the body exposed to ionizing radiation, the imaging guidance that is used). The RRLs for these examinations are designated as NS not specified