M85.0 - Fibrous dysplasia (monostotic)
M85.06 - Fibrous dysplasia (monostotic), lower leg
M85.061 - Fibrous dysplasia (monostotic), right lower leg
M85.062 - Fibrous dysplasia (monostotic), left lower leg
M85.069 - Fibrous dysplasia (monostotic), unspecified lower leg