California Cancer Reporting System Standards Volume I: Abstracting and Coding Procedures
This data item is used to explain why there is no appropriate value in the corresponding date field.
Depending on the registry software, these codes may be applied in the background and may not be apparent to the registrar.
Since only actual known dates are entered in interoperable date items, flags are used to explain the reason the date field is blank.
Code |
Description |
10 |
Unknown whether radiation therapy was given |
11 |
No radiation therapy planned or given |
12 |
Date cannot be determined for radiation therapy received during first course |
15 |
Radiation therapy is planned; start date is not yet available |
Blank |
Full or partial date recorded |