NAACCR Item #3865: KIT Gene Immunohistochemistry
|Item #||Length||Source of Standard||Year Implemented||Version Implemented||Year Retired||Version Retired|
NAACCR XML: Tumor.kitGeneImmunohistochemistry
KIT Gene Immunohistochemistry (IHC) is the expression of the KIT gene in tumor tissue specimens based on immunohistochemical (IHC) stains. A positive test is a diagnostic and predictive marker for GIST tumors.
KIT Gene Immunohistochemistry (IHC) is a Registry Data Collection Variable in AJCC. This data item was previously collected for GIST schemas in CS (different SSF’s).
|0||KIT negative/normal; within normal limits|
|7||Test ordered, results not in chart|
|8||Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 8 may result in an edit error.)
|9||Not documented in medical record
Cannot be determined by pathologist
KIT 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.