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Nathan took his daily allergy medication as prescribed, then when to the concert had a "dab" of cocaine. Afterward Nathan fell unconscious. How would you code: Adverse Effect, Poisoning, or Toxic Effect?
Poisoning: ICD 10 CM provides the following examples for Poisoning: Error made in prescription, overdose of the drug intentionally taken, non-prescribed drug taken with correctly prescribed and properly administered drug, interaction of drug(s) and alcohol..