Collaborative Stage

Collaborative Stage for TNM 7 - Revised 09/25/2009 [ Schema ]

CS Site-Specific Factor 8
HER2: IHC Test Lab Value

Note 1: Record the results of only the ImmunoHistoChemical (IHC) test for Human Epidermal growth factor Receptor 2 (HER2) in this field. The test determines whether there are additional copies of the HER2/neugene in the tumor cells compared to the normal number.
Note 2: If the test was done but the actual score is not stated, code 998.

Code	Description
000	Score 0
001	Score 1+
002	Score 2+
003	Score 3+
988	Not applicable: Information not collected for this case
997	Test ordered, results not in chart
998	Test not done (test was not ordered and was not performed)
999	Unknown or no information Not documented in patient record