Corrosion of unsp deg mult sites of unsp wrs/hnd, init

This code signifies chemical damage to multiple areas of the wrist and hand, where the specific severity of the burn (e.g., first, second, or third degree) is not documented. It indicates that the patient is presenting for the initial treatment of this injury.

Use this code when documentation clearly states a chemical burn affecting both the wrist and hand, but the physician's notes do not specify the depth or degree of the corrosion. This is appropriate for the very first encounter for this particular injury.

• Ensure "unspecified degree" and "multiple sites" (wrist and hand) are explicitly or implicitly documented.
• Confirm this is the initial encounter for the corrosion; subsequent encounters will require a different seventh character.
• Avoid using this code if the degree of corrosion is known or if only a single site (wrist or hand) is affected.