Discontinued Certificates
The following certificates, though still valid, are no longer offered by the American Board of Radiology. They were issued during the years indicated.
| CERTIFICATE | DATES |
| Diagnostic Radiology with Special Competence in Nuclear Radiology |
1973-1998 |
| Diagnostic and Nuclear Medical Physics | 1976-1998 |
| Diagnostic Roentgenology | 1934-1969 |
| Nuclear Medicine | 1955-1966 |
| Radiologic Physics | 1947-1997 |
| Radiology | 1934-1989 |
| Radium Therapy | 1934-1960 |
| Roentgenology | 1934-1961 |
| Roentgen Ray & Gamma Ray Physics | 1961-1975 |
| Therapeutic and Diagnostic Medical Physics | 1973-1997 |
| Therapeutic and Nuclear Medical Physics | 1976-1992 |
| Therapeutic Roentgenology | 1935-1954 |
| X-Ray and Radium Physics | 1947-1960 |
Note: The certificate formerly called Therapeutic Radiology is now called Radiation Oncology.
