| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 40 | 10 | NAACCR |
A unique code that represents the data transmission source. This item should be used for central registries and non-US health care providers. Refer to Registry ID table in Appendix B.
For cases diagnosed on or after 2008, this item may be blank if NPI--Registry ID (item 45) is used to represent the data transmission source.
Used to track data submission flow and to resolve transmission issues.
| 0000000000 | Case not reported by a facility |
| 0099999999 | Case reported, but facility number is unknown |
Note: Prior to 2008, this field may contain data from reporting facilities.