NAACCR Item #3850: HER2 IHC Summary
Item # | Length | Source of Standard | Section Name | Year Implemented | Version Implemented | XML NAACCR ID | Parent XML Element |
---|---|---|---|---|---|---|---|
3850 | 1 | NAACCR | Stage/Prognostic Factors | 2018 | 18 | her2IhcSummary | Tumor |
Required Status:
NPCR Collect: No recommendation
CoC Collect: No recommendation
SEER Collect: No recommendation
CCCR Collect: Historically collected and currently transmitted when available
Description
HER2 IHC Summary is the summary score for HER2 testing by IHC.
Rationale
HER2 IHC Summary is a Registry Data Collection Variable in AJCC. It is a new data item for cases diagnosed 1/1/2018+.
Allowable Values
0-4, 7-9
Codes
Code | Description |
---|---|
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 |
Code Notes
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.