Milt op w direct blast effect of nuclear weapon, civ, subs

This code signifies a follow-up encounter for a civilian patient who sustained injuries from the direct blast effect of a nuclear weapon during military operations. It indicates that the initial injury has already been treated, and the patient is now receiving ongoing care for related conditions or complications.

Apply this code for subsequent visits where a civilian patient is being monitored, treated for long-term effects, or undergoing rehabilitation stemming from a nuclear blast injury. This includes appointments for chronic pain management, radiation sickness follow-up, or psychological support related to the initial exposure.

• Ensure the patient's record clearly documents civilian status and a history of direct nuclear blast exposure during military operations.
• This code is for subsequent encounters only; use an initial encounter code for the first treatment of the injury.
• Always code the specific injury or condition resulting from the blast in addition to this external cause code.