NAACCR Item #3853: HER2 ISH Single Probe Copy Number

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3853 4 NAACCR 2018 18

NAACCR XML: Tumor.her2IshSingleProbeCopyNumber

Description
HER2 in situ hybridization (ISH) Single Probe Copy Number is the HER2 copy number based on a single probe test.
Rationale
HER2 ISH Single Probe Copy Number is a Registry Data Collection Variable in AJCC. It is a new data item for cases diagnosed 1/1/2018+.
Codes
0.0-99.9 Reported HER2 copy number of 0.0-99.9
XX.1 Reported HER2 copy number of 100 or greater
XX.7 Test ordered, results not in chart
XX.8 Not applicable: Information not collected for this case
(If this item is required by your standard setter, use of code XX.8 will result in an edit error.)
XX.9 Not documented in medical record
Cannot be determined (indeterminate)
Single probe test not done; only dual probe test performed
HER2 ISH Single Probe Copy Number not assessed or unknown if assessed
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.