The interval at which an event occurs for the purpose of the National Renal Data Set.
National Codes:
| 01 | Daily |
| 02 | 1 time a week |
| 03 | 2 times a week |
| 04 | 3 times a week |
| 05 | Weekly |
| 06 | Fortnightly |
| 07 | 3-Weekly |
| 08 | 4-Weekly |
| 09 | Calendar Monthly |
| 10 | Quarterly |
| 11 | Annually |
| 12 | Irregularly |
| 13 | Half-yearly |
| 14 | 13-Weekly |
| 15 | One-off |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | DOSE FREQUENCIES RENAL |