Stop the bleeding by using a tourniquet or direct pressure
Make sure the scene is safe
Call 911 and get a first aid kit and AED
Use a tourniquet to stop the bleeding
If a tourniquet is unavailable or doesn't stop the bleeding, apply dressings from the first aid kit and apply direct pressure on the dressings over the bleeding area
To protect the amputated part:
Rinse the amputated part with clean water
Cover it with a clean dressing
Place it in a watertight plastic bag
Place that bag inside a separate container that contains ice or ice water
Label the bag with the injured person's name, the date, and the time of amputation
Make sure the body part gets to the hospital with the injured person
Do not place the amputated body part directly on ice