M89.4 - Other hypertrophic osteoarthropathy
M89.43 - Other hypertrophic osteoarthropathy, forearm
M89.431 - Other hypertrophic osteoarthropathy, right forearm
M89.432 - Other hypertrophic osteoarthropathy, left forearm
M89.439 - Other hypertrophic osteoarthropathy, unspecified forearm