CS Site-Specific Factor 9
HER2: Immunohistochemistry (IHC) Test Interpretation
Notes
**Note 1**: Record the results of only the immunohistochemical (IHC) test for Human Epidermal Growth Factor Receptor 2 (HER2) in this field. **Note 2**: The same laboratory test should be used to record information in CS Site-Specific Factors 8 and 9. **Note 3**: If the test is not mentioned in the medical record, code to 999 unless there are circumstances under which the test isn't performed, for example no histologic specimen.Default
999NAACCR Item
NAACCR #2863Metadata
CCCR_II_ESSENTIAL_FOR_CLINICAL_DECISIONCOC_CLINICALLY_SIGNIFICANT
NPCR_REQUIRED_BY_NPCR_2010_FORWARD
SEER_CLINICALLY_SIGNIFICANT
| Code | Description |
|---|---|
| 010 | Positive/elevated |
| 020 | Negative/normal; within normal limits |
| 030 | Borderline; equivocal; indeterminate; undetermined whether positive or negative |
| 988 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.) |
| 997 | Test ordered, results not in chart |
| 998 | Test not done (test not ordered and not performed) |
| 999 | Unknown or no information Not documented in patient record |