University of Florida Health says that CPT stands for Current Procedural Terminology, and a CPT code is a numeric code that is five digits long. Healthcare providers use CPT code for evaluation and management services.
The most common publication of CPT code is the "CPT Physicians Current Procedural Terminology." The alternate publication for the code is called the "Current Procedural Terminology Specially Annotated for Hospitals." The main difference between the original publication and the publication for hospitals is that the publication for hospitals has special guidelines to attend to Medicare patients, according to University of Florida Health. As of 2015, about 7,800 CPT codes exist, ranging from 00100 and 99499.