ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.3 > M89.33 M89.33 Hypertrophy of bone, ulna and radius Non-Billable/Non-Specific Codes M89.331Hypertrophy of bone, right ulnaM89.332Hypertrophy of bone, left ulnaM89.333Hypertrophy of bone, right radiusM89.334Hypertrophy of bone, left radiusM89.339Hypertrophy of bone, unspecified ulna and radius