| | Public Health Safety | CPR What is the name of 2-digit number that located after CPT code and provides more detail about code? The 2-digit number that located after CPT code and provides more detail about code is called modifier. CPR - Related Articles How to Get Assisted Living for Down Syndrome Adults How to Help Students Overcome Depression & Anxiety Definition of Abnormal Uterine Bleeding Why is stomach acid useful? How do I Use a Hoyer Lift 400? Side Effects of Oral EDTA What are the symptoms of brain fever?