Poisoning by benzodiazepines, intentional self-harm, subs

This code signifies a patient presenting with adverse effects from benzodiazepine ingestion, where the intent was self-harm. The "subsequent encounter" indicates that this is not the initial visit for this specific poisoning event, but rather a follow-up or ongoing treatment related to the original incident.

Apply this code for follow-up appointments, ongoing treatment, or monitoring of a patient who previously attempted suicide by intentionally overdosing on benzodiazepines. This includes visits for managing complications, assessing recovery, or addressing mental health aspects related to the self-harm attempt after the initial acute care.

• Always assign an additional code for the specific benzodiazepine involved, if known (e.g., T42.4X2-).
• Remember to also code any associated mental health diagnoses (e.g., major depressive disorder) that led to the self-harm attempt.
• Distinguish carefully between "initial encounter" (A), "subsequent encounter" (D), and "sequela" (S) based on the patient's current stage of care for the poisoning.