Stress fracture, unspecified foot, init encntr for fracture

This code signifies a stress fracture affecting an unspecified bone within the foot, resulting from repetitive microtrauma rather than a single acute injury. It indicates the initial presentation and active treatment phase for this specific fracture.

Apply this code when documentation confirms a stress fracture of the foot, without specifying the exact bone (e.g., metatarsal, navicular). This is appropriate for the initial visit where the diagnosis is established and treatment begins. Supporting documentation includes imaging reports (X-ray, MRI, bone scan) confirming a stress fracture and physician notes detailing the mechanism of injury (e.g., overuse, repetitive impact).

• Ensure the documentation explicitly states "stress fracture" and "foot" without further specificity for the bone.
• The "A" seventh character indicates an initial encounter for active treatment; use subsequent characters for follow-up care or sequelae.
• Differentiate from acute traumatic fractures, which would be coded with S92.xx codes.