Toxic effect of gases, fumes and vapors, self-harm, subs

This code signifies an adverse health event resulting from the deliberate ingestion, inhalation, or exposure to specified gases, fumes, or vapors, excluding carbon monoxide, pesticides, or other commonly classified toxic substances. The patient intentionally caused this exposure with the intent to harm themselves.

Apply this code when documenting follow-up care for a patient who previously presented with a toxic effect from intentional self-exposure to a specified gas, fume, or vapor. This includes subsequent visits for ongoing treatment, monitoring of complications, or management of residual effects after the initial acute phase.

• Ensure the documentation clearly states "intentional self-harm" and specifies the type of gas, fume, or vapor if known, or that it falls into the "other specified" category.
• Confirm the encounter is for follow-up care (e.g., aftercare, healing, or management of long-term effects) and not the initial acute treatment.
• Always sequence this code after the primary mental health diagnosis (e.g., depression, adjustment disorder) if applicable, to fully capture the patient's condition.