Collaborative Stage Data Set - Revised 05/26/2013 FINAL
CS Site-Specific Factor 12
High Risk Features
- Note 1: For AJCC 7 staging, the T category is not only dependent on tumor size but also on several high risk features that can upgrade the T assignment.
- Note 2: Based on the information in the medical record, the registrar is required to count and code the number of high risk features (each feature equals 1 risk factor). If specific information is available about some but not all of the high risk features, count the number of features documented in the record.
Poorly differentiated/Undifferentiated (grade 3 or 4)
Depth greater than 2 millimeter (mm) thickness
Clark level IV or V
Primary site: skin of external ear (C44.2) OR skin of lip (hair-bearing, also called non-glabrous lip) (C44.0)
- Note 3: Use codes 991, 992, and 993 only if no specific information is available about the high risk features (other than primary site), but the record contains a general statement about the presence of high risk features.
- Note 4: The definition of high risk features was changed with the release of CSv2:V0203: Lymph-vascular invasion was removed as a high-risk feature, and tumor depth was changed from greater than or equal to 4 mm to greater than 2 mm. All cases with codes 000-004 coded in or updated to CSv2:V0202 should be reviewed and the correct number of high-risk features determined and coded.
|000||No high risk features|
|001||1 high risk feature|
|002||2 high risk features|
|003||3 high risk features|
|004||4 high risk features|
|005||5 high risk features|
|006||OBSOLETE DATA CONVERTED V0203|
The list of high risk features in CS Version 2: V0201, V0202 included depth equal to or greater than 4 millimeters (mm) and lymph-vascular invasion. Depth was changed to greater than 2 mm and lymph-vascular invasion removed in the final list of high risk features published by AJCC. Cases coded 006 are converted to 005 in CS Version 2: V0203.
6 high risk features
|988||Not applicable: Information not collected for this case|
(If this information is required by your standard setter, use of code 988 may result in an edit error.)
|991||Stated as less than 2 high risk features|
|992||Stated as 2 or more high risk features|
|993||Stated as high risk features, NOS|
|999||Unknown or no information|
Not documented in patient record