NAACCR Item #3850: HER2 IHC Summary
|Item #||Length||Source of Standard||Year Implemented||Version Implemented||Year Retired||Version Retired|
NAACCR XML: Tumor.her2IhcSummary
HER2 IHC Summary is the summary score for HER2 testing by IHC.
HER2 IHC Summary is a Registry Data Collection Variable in AJCC. It is a new data item for cases diagnosed 1/1/2018+.
|0||Negative (Score 0)|
|1||Negative (Score 1+)|
|2||Equivocal (Score 2+) Stated as equivocal|
|3||Positive (Score 3+) Stated as positive|
|4||Stated as negative, but score not stated|
|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 IHC Summary not assessed or unknown if assessed|
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.