NAACCR Item #390: Date of Diagnosis
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 390 | 8 | SEER/CoC | None | None |
NAACCR XML:
Tumor.dateOfDiagnosis
Alternate Names
- Date of Initial Diagnosis (CoC)
Description
Date of initial diagnosis by a recognized medical practitioner for the tumor being reported whether clinically or microscopically confirmed. See [**Data Descriptor Table**](https://apps.naaccr.org/data-dictionary/data-dictionary/version=24/chapter-view/data-descriptor-table/) for date format.
For more discussion on determining date of diagnosis, consult the [_SEER Program Coding and Staging Manual_](http://seer.cancer.gov/tools/codingmanuals/) or CoC [_STORE_](http://www.facs.org/cancer/coc/fordsmanual.html) manual.