Stress fracture, unspecified hand, init encntr for fracture

This code signifies a stress fracture affecting an unspecified bone within the hand, meaning the specific carpal, metacarpal, or phalangeal bone involved is not documented. Stress fractures are microfractures resulting from repetitive submaximal loading, rather than a single traumatic event. This code is specifically for the initial treatment phase of such a fracture.

Use this code when documentation confirms a stress fracture of the hand, but the precise bone affected is not specified (e.g., "stress fracture of the hand"). This code is appropriate for the first encounter where the fracture is diagnosed and treatment is initiated. Documentation should clearly indicate the nature of the fracture as a stress injury and the initial phase of care.

• Ensure documentation explicitly states "stress fracture" to differentiate from acute traumatic fractures.
• Avoid using this code if a specific hand bone (e.g., scaphoid, metacarpal) is identified; instead, use a more specific M84.34- subcategory.
• The "A" seventh character indicates an initial encounter for the fracture, meaning the patient is receiving active treatment.