1 - skin blanched. 2- edema <1 inch in any direction around the IV site, skin cool to touch, possible pain. 3 - skin blanches, translucent, edema >6 inches in any direction around the IV site, skin cool to touch, mild to moderate pain, possible numbness. 4- skin blanches, translucent, skin tight, leaking, skin bruised and swollen, edema >6 ....