Toxic effect of oth metals, intentional self-harm, init

This code signifies a patient presenting with adverse health effects resulting from self-inflicted poisoning by metals other than those specifically classified elsewhere (e.g., lead, mercury, arsenic). The intent behind the exposure was to cause harm to oneself, and this encounter represents the initial assessment and treatment for this acute toxic event.

Apply this code when documenting the initial presentation of a patient who has deliberately ingested, inhaled, or otherwise exposed themselves to a toxic dose of a metal such as aluminum, cadmium, chromium, or thallium, with suicidal intent. This is appropriate for the emergency department visit or initial inpatient admission for managing the acute toxicity.

• Always assign an additional code for the specific metal involved, if known, from categories T56.0-T56.8.
• Ensure documentation clearly supports intentional self-harm; if accidental, a different intent character (e.g., D for accidental) would be used.
• The "A" seventh character indicates an active phase of treatment for the toxic effect, not a subsequent encounter.