HER2 Overall Summary
Notes
**Note 1:** This SSDI is effective for diagnosis years 2021+
* For cases diagnosed 2018-2020, leave this SSDI blank
**Note 2:** Physician statement of HER2 Overall Summary can be used to code this data item when no other information is available.
**Note 3:** HER2 may be recorded for all histologies; however, it is primarily performed for adenocarcinomas. If information is not available, code 9.
**Note 4:** The result of the HER2 test performed on the primary tissue is to be recorded in this data item.
* Use the highest (positive versus negative) when there are multiple results
**Note 5:** If neoadjuvant therapy is given, record the assay from tumor specimens prior to neoadjuvant therapy.
* If neoadjuvant therapy is given and there are no HER2 results from pre-treatment specimens, report the findings from post-treatment specimens
Default
9
Metadata
SSDI 2021–
| Code |
Description |
| 0 |
HER2 negative; equivocal |
| 1 |
HER2 positive |
| 7 |
Test ordered, results not in chart |
| 8 |
Not applicable: Information not collected for this case
(If this item is required by your standard setter, use of code 8 will result in an edit error.) |
| 9 |
Not documented in medical record
Cannot be determined (indeterminate)
HER2 Overall Summary status not assessed or unknown if assessed |
| <BLANK> |
N/A - Diagnosis year is prior to 2021 |
