Poisn by unsp drugs aff the autonm nervous sys, asslt, subs

This code signifies a patient presenting for follow-up care after experiencing an assault involving an unknown drug that primarily impacts the autonomic nervous system. The initial poisoning event has already occurred, and the patient is now receiving ongoing management or evaluation related to its effects.

Use this code for subsequent encounters when a patient is being treated for residual effects or complications stemming from an assault where an unspecified autonomic nervous system-affecting drug was used. This includes follow-up appointments for monitoring, medication adjustments, or addressing long-term sequelae.

• Ensure the documentation clearly indicates an "assault" as the intent of the poisoning.
• Verify this is a "subsequent encounter" (D) and not an initial (A) or sequela (S) encounter.
• Confirm the drug's specific class or type remains "unspecified" in the medical record.