T44.992 - Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm T44.9 - Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system T44.99 - Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous system T44.992 - Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm