Frostbite with tissue necrosis of unspecified sites, sequela

This code signifies a long-term complication or late effect resulting from frostbite that caused tissue death, where the specific body site affected is not documented. It indicates that the patient is experiencing ongoing issues directly attributable to a past episode of severe frostbite.

Apply this code when documenting a patient presenting with residual problems, such as chronic pain, scarring, or functional limitations, that are a direct consequence of a previous frostbite injury that involved tissue necrosis, and the original site of injury is not specified. This code is appropriate for follow-up encounters after the initial frostbite injury has healed but its effects persist.

• Always sequence this code after the code describing the specific sequela (e.g., chronic pain, scar).
• Ensure documentation clearly links the current condition to a past frostbite event with tissue necrosis.
• Avoid using this code for acute frostbite; it is exclusively for sequelae.