Site-Specific Factor 13

HER2: Chromogenic In Situ Hybridization (CISH) Test Interpretation


**Note 1:** Record the interpretation of only the Chromogenic In Situ Hybridization (CISH) 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 **Site-Specific Factor 12, HER2: Chromogenic In Situ Hybridization (CISH) Lab Value** and **Site-Specific Factor 13, HER2: Chromogenic In Situ Hybridization (CISH) Test Interpretation**. **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.




NAACCR #2867


Code Description
010 Positive/elevated; amplified
020 Negative/normal; within normal limits; not amplified
030 Borderline; equivocal; indeterminate; undetermined whether positive or negative
988 Not applicable: Information not collected for this case
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