Poisoning by succinimides and oxazolidinediones, undet, init

This code signifies a poisoning event involving succinimide or oxazolidinedione anticonvulsants where the intent (e.g., accidental, intentional self-harm, assault) cannot be determined from the available documentation. The patient is in the initial phase of receiving active treatment for the poisoning.

This code is appropriate when a patient presents with signs and symptoms of poisoning from these specific anticonvulsant classes, and the medical record explicitly states that the intent of the poisoning is unknown or undetermined. It should be used for the first encounter where the poisoning is being evaluated and treated.

• Ensure documentation clearly states "undetermined" intent for the poisoning.
• Confirm the substance involved is a succinimide or oxazolidinedione anticonvulsant.
• This "A" seventh character is only for the initial encounter for active treatment of the poisoning.