- APRN (Advanced Practice Registered Nurse)
- A registered nurse with graduate-level education and national certification to provide advanced clinical care, including diagnosis, treatment, and prescribing.
- PMHNP (Psychiatric Mental Health Nurse Practitioner)
- An APRN with specialty certification from ANCC to assess, diagnose, and treat psychiatric and mental health conditions across the lifespan.
- Prescriptive Authority
- The legal authorization granted by state law for an APRN to prescribe medications, including controlled substances, within their scope of practice.
- Collaborative Practice Agreement (CPA)
- A formal written agreement between an APRN and a supervising or collaborating physician that defines the scope, oversight, and referral requirements of the APRN's practice in states that require it.
- Full Practice Authority
- A state regulatory model that allows APRNs to evaluate, diagnose, and prescribe independently without a required physician collaboration agreement.
- DEA Registration
- A federal Drug Enforcement Administration number that authorizes a licensed prescriber to prescribe, dispense, or administer controlled substances.
- Scope of Practice
- The procedures, actions, and processes that a healthcare professional is legally permitted to perform based on their license, education, and demonstrated competency.
- CNS (Clinical Nurse Specialist)
- An APRN with specialty expertise in a specific patient population or clinical area β such as psychiatry β who provides direct care, consultation, and system-level quality improvement.
- ANCC Certification
- A national credential issued by the American Nurses Credentialing Center that validates an APRN's specialty competency, required for psychiatric NP practice in all US states.
- Supervision Ratio
- The maximum number of APRNs a collaborating or supervising physician may oversee simultaneously, a figure defined by state regulation and used to structure staffing models.