Coding of the grade of differentiation (malignancy) of tumors, coded by a four-, three-, or two-tiered grading system, often using the score of a special grading system for certain tumor types
2 Source Code Systems
2.16.840.1.113883.15.16 - TNM Edition8 UICC
2.16.840.1.113883.5.1008 - Null Flavor
Level/ Type
Code
Display Name
Code System
Description
0‑L
1
G1
TNM Edition8 UICC
grade 1, well (highly) differentiated
0‑L
2
G2
TNM Edition8 UICC
grade 2, moderately differentiated
0‑L
3
G3
TNM Edition8 UICC
grade 3, poorly differentiated
0‑L
X
GX
TNM Edition8 UICC
cannot be assessed
0‑L
ASKU
Asked but unknown
Null Flavor
Legenda: Type L=leaf, S=specializable, A=abstract, D=deprecated. NullFlavors to appear in @nullFlavor attribute instead of @code.