Three categories of codes found in the CPT codebook
| CPT Category | Description |
|---|---|
| I | FDA approved and common in clinical practice |
| Based on peer-reviewed literature | |
| Referred to RUC for valuation | |
| II | Used to report quality performance initiatives |
| Decreased need for records review | |
| No reimbursement | |
| III | Track new/experimental procedures |
| Literature suggests possible future use | |
| Temporary, by definition |