Corrosion of 2nd deg mul sites of unsp wrist and hand, subs

This code signifies a second-degree chemical burn affecting multiple areas of an unspecified wrist and hand. A second-degree corrosion involves damage to the epidermis and dermis, characterized by blistering, pain, and redness.

Apply this code when documenting follow-up care for a patient previously treated for a second-degree chemical burn to multiple sites of the wrist and hand. This includes subsequent evaluations, wound care, or management of complications arising from the initial injury.

• Ensure "D" for subsequent encounter is appropriate; "A" for initial or "S" for sequela would be used for different encounter types.
• Verify the documentation specifies "multiple sites" within the wrist and hand, and that the burn is indeed a corrosion (chemical burn).
• If the specific wrist or hand (left/right) is documented, a more specific code should be selected.