Corros unsp deg of shldr/up lmb, ex wrs/hnd, unsp site, init

This code describes a chemical burn of an unknown severity affecting the shoulder or any part of the upper limb, excluding the wrist and hand. The specific location of the burn within this region is not documented. This diagnosis indicates the initial treatment or encounter for this injury.

Use this code when a patient presents with a chemical burn to the shoulder or upper arm, and the medical record does not specify the degree of the burn (e.g., first, second, third degree). It is appropriate when the exact site on the shoulder or upper limb is also not specified, and this is the first time the patient is being seen for this particular injury.

• Ensure the documentation explicitly states a chemical burn and not a thermal burn, as different codes apply.
• Only use this code when the degree and specific site within the shoulder/upper limb (excluding wrist/hand) are truly unspecified. If more detail is available, a more specific code should be chosen.
• The "A" in the seventh character signifies an initial encounter; subsequent encounters will require different seventh characters.