Dosage
U
Unit
Risk
Can be mistaken for "0" (zero), "4" (four), or "cc" leading to 10-fold or greater overdose
Safer Alternative
Write "unit"
Example
10 U insulin misread as 100 units
Unit
Can be mistaken for "0" (zero), "4" (four), or "cc" leading to 10-fold or greater overdose
Write "unit"
10 U insulin misread as 100 units