Burn of mouth and pharynx, subsequent encounter

This code indicates a burn injury affecting the oral cavity and/or the pharynx, specifically when the patient is receiving active treatment for the burn after the initial encounter. This includes follow-up care, such as wound checks, dressing changes, or medication adjustments, for a burn that is still healing.

Apply this code for any subsequent visit where a patient is being managed for a burn to the mouth or pharynx. This would include scenarios like a patient returning to the clinic for a re-evaluation of a previously diagnosed oral burn or for ongoing treatment of the burn wound.

• Always use in conjunction with an external cause code (V00-Y99) to describe the circumstances of the burn.
• Ensure documentation clearly indicates the encounter is for ongoing care of the burn, not the initial assessment.
• Distinguish from initial encounter (T28.0XXA) and sequela (T28.0XXS) based on the stage of care.