M85.52 Aneurysmal bone cyst, upper arm

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 M85.52

• M85.521 Aneurysmal bone cyst, right upper arm
• M85.522 Aneurysmal bone cyst, left upper arm
• M85.529 Aneurysmal bone cyst, unspecified upper arm

Diagnosis Index entries for M85.52

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

Nearby codes

• M85.50 Aneurysmal bone cyst, unspecified site
• M85.51 Aneurysmal bone cyst, shoulder
• M85.511 Aneurysmal bone cyst, right shoulder
• M85.512 Aneurysmal bone cyst, left shoulder
• M85.519 Aneurysmal bone cyst, unspecified shoulder
• M85.52 Aneurysmal bone cyst, upper arm (this code)
• 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
• M85.531 Aneurysmal bone cyst, right forearm