The prescribed photon energy of a Teletherapy Treatment Course.
National Codes:
| 1 | Superficial (less than 160 kV) |
| 2 | Orthovoltage (less than 500 kV) |
| 3 | Megavoltage (less than 6 MV) |
| 4 | Megavoltage (equal to or greater than 6 MV) |
| 7 | Cobalt |
| 8 | Other (not Photon or Electron) |
Note that TELETHERAPY ELECTRON ENERGY uses codes 5 and 6.
References:
National Cancer Dataset Version1.3_ISB October 2002
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | TELETHERAPY PHOTON ENERGIES |