M89.3 - Hypertrophy of bone
M89.36 - Hypertrophy of bone, tibia and fibula
M89.361 - Hypertrophy of bone, right tibia
M89.362 - Hypertrophy of bone, left tibia
M89.363 - Hypertrophy of bone, right fibula
M89.364 - Hypertrophy of bone, left fibula
M89.369 - Hypertrophy of bone, unspecified tibia and fibula