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

This code signifies a patient presenting with adverse health effects resulting from the deliberate inhalation or exposure to a specified gas, fume, or vapor, excluding those with more specific ICD-10-CM codes. The intent of the exposure is self-harm, and this code is used for the initial phase of treatment.

Apply this code when documenting a patient admitted for acute poisoning or injury due to intentional self-exposure to a gas like carbon monoxide (if not specified elsewhere), ammonia, or other industrial fumes, where the specific substance is known but lacks a dedicated code. This is appropriate for the initial hospital stay or first encounter for this specific event.

• Ensure the medical record clearly documents the patient's intent as self-harm.
• Verify that the specific gas, fume, or vapor is identified and does not have a more precise ICD-10-CM code.
• Confirm this is the initial encounter for the toxic effect; subsequent care would require a different seventh character.