#ExistRefRangeSet>
Reference Interval:
#ExistRefRange>Effective May 20, 2013
*ExistRefRange>
#ExistRefRangeTable> Breast Tumors Criteria for intensity of cell membrane staining with PATHWAY® HER-2/neu.
| | Grade
| Interpretations
| Microscopic Finding
| | 0
| Negative
| No staining is observed in invasive tumor cells.
| | 1+
| Negative
| Weak, incomplete membrane staining in any proportion of invasive tumor cells, or weak, complete membrane staining in less than 10 percent of cells.
| | 2+
| Equivocal
| Complete membrane staining that is nonuniform or weak but with obvious circumferential distribution in at least 10 percent of cells, or intense complete membrane staining in less than 30 percent of tumor cells.
| | 3+
| Positive
| Uniform intense membrane staining of more than 30 percent of invasive tumor cells.
| |
*ExistRefRangeTable>
|
*ExistRefRangeSet>
#ExistInterpDataSet>
| Interpretive Data: |
#ExistInterpData>Refer to report.
*ExistInterpData>
|
*ExistInterpDataSet>
#ExistCPT>
| CPT Code(s): |
88360
|
*ExistCPT>
#ExistCrossReferences>
Cross References: |
4B5 |
*ExistCrossReferences>
|