M89.37 Hypertrophy of bone, ankle and footNon-billable header with 3 child codes.
M89.371 Hypertrophy of bone, right ankle and footM89.372 Hypertrophy of bone, left ankle and footM89.379 Hypertrophy of bone, unspecified ankle and footM89.361 Hypertrophy of bone, right tibiaM89.362 Hypertrophy of bone, left tibiaM89.363 Hypertrophy of bone, right fibulaM89.364 Hypertrophy of bone, left fibulaM89.369 Hypertrophy of bone, unspecified tibia and fibulaM89.37 Hypertrophy of bone, ankle and foot (this code)M89.371 Hypertrophy of bone, right ankle and footM89.372 Hypertrophy of bone, left ankle and footM89.379 Hypertrophy of bone, unspecified ankle and footM89.38 Hypertrophy of bone, other siteM89.39 Hypertrophy of bone, multiple sites