M85.53 Aneurysmal bone cyst, forearm

Non-billable header with 3 child codes.

Applies from M85 Other disorders of bone density and structure

Excludes1 (never code together)

• osteogenesis imperfecta (Q78.0)
• osteopetrosis (Q78.2)
• osteopoikilosis (Q78.8)
• polyostotic fibrous dysplasia (Q78.1)

Applies from M85.5 Aneurysmal bone cyst

Excludes2 (not included here)

• aneurysmal cyst of jaw (M27.4)

Codes under M85.53

• M85.531 Aneurysmal bone cyst, right forearm
• M85.532 Aneurysmal bone cyst, left forearm
• M85.539 Aneurysmal bone cyst, unspecified forearm

Diagnosis Index entries for M85.53

• Cyst (colloid) (mucous) (simple) (retention) › bone (local) NEC › aneurysmal › forearm

Nearby codes

• M85.519 Aneurysmal bone cyst, unspecified shoulder
• M85.52 Aneurysmal bone cyst, upper arm
• M85.521 Aneurysmal bone cyst, right upper arm
• M85.522 Aneurysmal bone cyst, left upper arm
• M85.529 Aneurysmal bone cyst, unspecified upper arm
• M85.53 Aneurysmal bone cyst, forearm (this code)
• M85.531 Aneurysmal bone cyst, right forearm
• M85.532 Aneurysmal bone cyst, left forearm
• M85.539 Aneurysmal bone cyst, unspecified forearm
• M85.54 Aneurysmal bone cyst, hand
• M85.541 Aneurysmal bone cyst, right hand