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2025 ICD-10-CM code T23.459

Corrosion of unspecified degree of unspecified palm.

Code first the chemical or intent causing the corrosion (T51-T65). Use an additional external cause code to specify the place of occurrence (Y92).

Modifiers are not applicable to ICD-10-CM codes.

In simple words: This code represents a chemical burn (corrosion) on the palm of the hand, where the depth of the burn is not specified.

Corrosion of unspecified degree of unspecified palm. Code first (T51-T65) to identify chemical and intent. Use additional external cause code to identify place (Y92).

Example 1: A patient accidentally spills a strong cleaning agent on their left palm, resulting in a chemical burn., A lab worker splashes an unknown chemical on their right palm during an experiment, causing a corrosion injury., A child touches a corrosive substance, leading to a chemical burn on their palm, and the depth is not immediately clear.

Documentation should include the cause of the corrosion (e.g., chemical agent), the affected palm (right or left), and ideally the degree of the corrosion (first, second, or third-degree). If the degree is not documented, the unspecified code is used. Documentation of the incident, including the location (place of occurrence), should also be included using an external cause code.

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