M89.321 Hypertrophy of bone, right humerus

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 733.99 Other disorders of bone and cartilage (approximate)

Nearby codes

• M89.31 Hypertrophy of bone, shoulder
• M89.311 Hypertrophy of bone, right shoulder
• M89.312 Hypertrophy of bone, left shoulder
• M89.319 Hypertrophy of bone, unspecified shoulder
• M89.32 Hypertrophy of bone, humerus
• M89.321 Hypertrophy of bone, right humerus (this code)
• M89.322 Hypertrophy of bone, left humerus
• M89.329 Hypertrophy of bone, unspecified humerus
• M89.33 Hypertrophy of bone, ulna and radius
• M89.331 Hypertrophy of bone, right ulna
• M89.332 Hypertrophy of bone, left ulna