M84.3 - Stress fracture
M84.33 - Stress fracture, ulna and radius
M84.331 - Stress fracture, right ulna
M84.332 - Stress fracture, left ulna
M84.333 - Stress fracture, right radius
M84.334 - Stress fracture, left radius
M84.339 - Stress fracture, unspecified ulna and radius