Frostbite with tissue necrosis of unspecified wrist, sequela

This code indicates a past injury of frostbite to an unspecified wrist that resulted in tissue death (necrosis). It signifies that the patient is presenting for treatment or evaluation of a long-term complication or residual effect stemming from that original frostbite injury.

Apply this code when documenting the sequela of frostbite to the wrist where the specific side (left or right) is not documented, and the original injury involved tissue necrosis. This is appropriate for follow-up visits addressing chronic pain, scarring, functional impairment, or other persistent issues directly attributable to the prior frostbite with tissue damage.

• Requires a seventh character of 'S' for sequela, indicating a late effect.
• Do not use for acute frostbite; this code is exclusively for residual conditions.
• Ensure documentation clearly links the current condition to a previous frostbite injury with tissue necrosis.