Table 2.

Exposure indicator DI control limits for clinical images.

DI	Range Action
$>+3.0$	Excessive patient radiation exposure: Repeat only if relevant anatomy is “burned out,” require immediate management follow-up
$+1.0$ to $+3.0$	Overexposure: Repeat only if relevant anatomy is burned out
−0.5 to $+0.5$	Target range
Less than −1.0	Underexposed: Consult radiologist for repeat
Less than −3.0	Repeat