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 |
12 |
Date of first contact cannot be determined. |
Blank |
Full or partial date recorded |