Blister (nonthermal) of bilateral front wall of thorax, init

This code signifies a non-thermal blister formation on both the right and left anterior chest wall. It indicates the initial presentation of this specific skin lesion, which is not caused by heat or cold exposure.

Apply this code when documenting a patient presenting with new onset blisters on both sides of the front of their chest, where the etiology is determined to be something other than a burn or frostbite. This would include blisters from friction, pressure, or certain dermatological conditions.

• Ensure the documentation specifies "bilateral" and "front wall of thorax" to support this code.
• Verify the blister is explicitly stated as "nonthermal" to differentiate from burn injuries.
• Confirm this is the initial encounter for this specific condition; subsequent encounters would use a different seventh character.