Estimated specialty impact of CMS 2021 proposed rules (adapted from table 90)1
| Specialty | Allowed charges (US$, million) | Impact of work RVU changes | Impact of PE RVU changes | Impact of MP RVU changes | Combined impact |
| Diagnostic radiology | 5253 | −6% | −5% | 0% | −11% |
| Interventional radiology | 497 | −3% | −5% | 0% | −9% |
| Neurology | 1513 | 3% | 2% | 0% | 6% |
| Neurosurgery | 806 | -4% | -2% | -1% | -7% |