Derived Grade

NAACCR Item

NAACCR #1975
Code Description
1 G1: Well differentiated (low grade)
2 G2: Moderately differentiated (low grade)
3 G3: Poorly differentiated (high grade)
4 G4: Undifferentiated (high grade)
L Stated as "low grade" NOS
H Stated as "high grade" NOS
9 Grade cannot be assessed (GX); Unknown