'The preparation, mixing, assembling, altering, packaging, and labeling of a drug or device in accordance with a licensed practitioner's prescription, medication order, or an initiative based on the practitioner/patient/pharmacist/compounder relationship in the course of professional practice' is an official definition of

To become a Nationally Certified Pharmacy Technician in the United States, you need to demonstrate an ability of the material necessary to pass the (PTCB)  Pharmacy Technician Certification Exam.