A CPT 1 (Certified Phlebotomy Technician 1) is a healthcare professional trained to draw blood from patients for medical testing, donations, or research. They work in hospitals, clinics, laboratories, and blood donation centers, following strict procedures to ensure patient safety and accurate sample collection. CPT 1 technicians must complete an accredited phlebotomy training program and obtain certification. Their responsibilities include patient preparation, venipuncture, handling specimens, and maintaining proper documentation.