S52: Fracture of forearm

S52.6: Fracture of lower end of both ulna and radius

There are 2 bones in the forearm, the ulna and the radius. The ulna is on the side where your little finger is. The radius is on the side where your thumb is. Both bones in the forearm have an upper, middle and lower section. The lower ends of the ulna and the radius are connected to the hand by the wrist.

You have broken the lower end of your ulna. You have also broken the lower end of your radius.