E-Prescribing (EPCS)
E-prescribing is the electronic generation, transmission, and filling of medical prescriptions, replacing handwritten or faxed prescriptions with secure digital workflows that connect prescribers directly to pharmacies. EPCS (Electronic Prescribing of Controlled Substances) specifically refers to the DEA-regulated process of electronically prescribing Schedule II-V controlled substances, which is particularly relevant in behavioral health for psychiatric medications and MAT prescriptions.
How E-Prescribing Works
When a prescriber creates a prescription in the EHR, the system transmits it electronically to the patient's chosen pharmacy through a secure network (Surescripts handles approximately 80% of U.S. e-prescriptions). The pharmacy receives the prescription immediately, can begin processing it before the patient arrives, and communicates fill status back to the prescriber. E-prescribing systems also provide real-time access to the patient's medication history, formulary information, drug interaction checking, and prior authorization requirements.
EPCS Requirements
Electronic prescribing of controlled substances requires additional security measures mandated by the DEA. Prescribers must complete identity proofing through a DEA-approved credential service provider, use two-factor authentication for each controlled substance prescription (typically a password plus a hardware token or biometric), prescribe through a DEA-certified application with specific audit trail and security requirements, and maintain logical access controls that prevent unauthorized prescription generation. These requirements add a layer of security beyond standard e-prescribing but are essential for prescribing psychiatric controlled substances.
E-Prescribing in Behavioral Health
Behavioral health prescribers frequently prescribe controlled substances including benzodiazepines for anxiety, stimulants for ADHD, buprenorphine for opioid use disorder, and other Schedule II-V medications. EPCS eliminates the need for wet-ink prescriptions and in-person prescription pickup for these medications, improving patient access and reducing diversion risk. Integration with Prescription Drug Monitoring Programs (PDMPs) allows prescribers to check a patient's controlled substance history before prescribing.
State Mandates
As of 2024, the majority of U.S. states have enacted mandatory e-prescribing laws that require electronic transmission of prescriptions, including controlled substances. New York was the first state to mandate EPCS in 2016, and many states have followed. Behavioral health practices must stay current with their state's e-prescribing mandates to avoid compliance violations and prescription rejections at pharmacies.
E-Prescribing Benefits
E-prescribing reduces medication errors caused by illegible handwriting and transcription mistakes, decreases prescription fraud and diversion through audit trails and authentication, improves patient convenience by eliminating paper prescriptions, accelerates prescription processing and fill times, enables formulary checking that helps prescribers choose covered medications, and provides a complete medication history view that supports safer prescribing decisions.
FAQs
Is e-prescribing required for controlled substances?
Most states now mandate electronic prescribing for controlled substances. Federal law permits EPCS but does not yet universally mandate it, though the Substance Use-Disorder Prevention that Promotes Opioid Recovery and Treatment (SUPPORT) Act requires EPCS for Medicare Part D prescriptions.
What is needed to start prescribing controlled substances electronically?
Prescribers need a DEA-certified EHR or e-prescribing application, completion of identity proofing, enrollment with a credential service provider, and a two-factor authentication method (hardware token, software token, or biometric).
Does e-prescribing work with telehealth?
Yes. E-prescribing is particularly valuable in telehealth settings because it eliminates the need for patients to physically obtain a paper prescription. After a telehealth visit, the prescriber sends the prescription electronically to the patient's pharmacy.
What is the difference between e-prescribing and EPCS?
E-prescribing is the general electronic prescription process for all medications. EPCS specifically refers to the DEA-regulated electronic prescribing of Schedule II-V controlled substances, which requires additional security measures including two-factor authentication and identity proofing.
Learn More
- Best EHR for Psychiatry — EHR systems with EPCS and PDMP integration
- Best EHR for MAT Clinics — E-prescribing for controlled substances in MAT