M87.337

HCC Category Mapping

What This Code Means

Death of bone tissue in the right wrist bones (carpus) caused by an underlying condition or injury, leading to bone deterioration.

Coding Tips

• •The carpus includes multiple small wrist bones; this code applies when the specific bone cannot be identified
• •Verify documentation specifies right side to ensure accurate code selection

Clinical Significance

Secondary osteonecrosis of the right carpus indicates bone death in the wrist bones from identifiable non-traumatic causes. This condition significantly affects wrist mechanics and hand function, often requiring specialized surgical intervention to preserve joint mobility and prevent collapse.

Documentation Requirements

• ✓Documentation of underlying secondary cause of osteonecrosis
• ✓Imaging confirmation of osteonecrosis in right carpal bones
• ✓Clinical examination showing right wrist dysfunction
• ✓History of risk factors such as medications or systemic disease
• ✓Exclusion of traumatic and idiopathic etiologies
• ✓Documentation of pain, stiffness, or grip weakness
• ✓Provider statement on secondary nature of condition
• ✓Evidence of compromised bone blood supply in carpus

Commonly Confused Codes