M87.0 - Idiopathic aseptic necrosis of bone
M87.02 - Idiopathic aseptic necrosis of humerus
M87.021 - Idiopathic aseptic necrosis of right humerus
M87.022 - Idiopathic aseptic necrosis of left humerus
M87.029 - Idiopathic aseptic necrosis of unspecified humerus