What is typically required for controlled substance prescriptions?

For controlled substance prescriptions, a DEA number from the prescribing practitioner is essential. This number is issued by the Drug Enforcement Administration and serves as a unique identifier that indicates the practitioner is authorized to prescribe controlled substances. It ensures that the prescribing practitioner is compliant with federal regulations, which are strictly enforced to prevent misuse and ensure the safe distribution of narcotics and other controlled medications.

While other elements such as a patient’s signature or electronic prescriptions may be relevant to prescription processes in general, they are not specifically mandated by law for controlled substances. The witness signature is also not a standard requirement for these types of prescriptions. The use of the DEA number is fundamental in the tracking and verification of controlled substances within the healthcare framework, making it the correct answer to this question.