Bone Invasion


**Note 1:** Physician statement of Bone Invasion can be used to code this data item when no other information is available. **Note 2:** Record bone invasion as determined by relevant imaging only for the primary tumor. Imaging methodologies include computed tomography (CT) scans and magnetic resonance imaging (MRI). **Note 3:** Code 0 if relevant imaging is performed and there is no mention of bone invasion. **Note 4:** Code 9 if there is no relevant imaging of the primary site.




NAACCR #3815


Code Description
0 Bone invasion not present/not identified on imaging
1 Bone invasion present/identified on imaging
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 patient record Bone invasion not assessed or unknown if assessed