905.4
ICD-9-CMThis code signifies a residual condition or complication arising from a previously sustained fracture of the lower extremities, occurring after the acute phase of healing has passed. These late effects can include chronic pain, nonunion, malunion, limb length discrepancy, or chronic osteomyelitis directly attributable to the original fracture. It describes the long-term sequelae rather than the acute injury itself.
Apply this code when a patient presents with a current problem that is a direct, long-term consequence of a lower extremity fracture that has already healed or is in a chronic non-healing state. Documentation should clearly link the current condition to a past lower extremity fracture, often specifying "late effect of," "sequela of," or "due to prior fracture." This code is appropriate for conditions like chronic pain at a fracture site years after healing, or functional limitations resulting from a malunion.
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