Site-Specific Factor 11

Poorly Differentiated Tumor Percentage

Notes

**Note 1:** Record the exact percentage of the primary tumor that is poorly differentiated as documented in the pathology report. **Note 2:** For values greater than zero and less than 1%, round to 001. * For codes 001 to 100, round values to the nearest percent

Default

988

NAACCR Item

NAACCR #2865
Code Description
000 Poorly differentiated tumor not present/not identified
001-100 1 - 100 percent
(Exact percentage of poorly differentiated tumor to nearest percent)

Examples:
001 0.1 to 0.9%
005 5%
010 10%
099 99%
988 Not applicable: Information not collected for this case
990 Poorly differentiated tumor present, percent not stated
998 No histologic examination of primary site
999 Unknown
Not documented in patient record