S55.99 - Other specified injury of unspecified blood vessel at forearm level S55.9 - Injury of unspecified blood vessel at forearm level S55.99 - Other specified injury of unspecified blood vessel at forearm level S55.991 - Other specified injury of unspecified blood vessel at forearm level, right arm S55.992 - Other specified injury of unspecified blood vessel at forearm level, left arm S55.999 - Other specified injury of unspecified blood vessel at forearm level, unspecified arm