Poisn by slctv seroton/norepineph reup inhibtr, acc, init

This code signifies an accidental or unintentional poisoning specifically due to selective serotonin and norepinephrine reuptake inhibitors (SNRIs). It indicates the initial phase of treatment for such an event, where the patient is actively receiving care for the acute effects of the overdose.

Apply this code when a patient presents with symptoms of SNRI toxicity, and the history confirms an accidental ingestion or overdose. This is appropriate for the initial hospital admission or emergency department visit where the poisoning is first diagnosed and managed.

• Ensure documentation clearly states "accidental" or "unintentional" for the poisoning intent.
• Verify the specific drug class is an SNRI; do not use for SSRIs (T43.212-) or other antidepressants.
• The 7th character "A" is crucial for the initial encounter for active treatment of the poisoning.