* indicates required field
Length: 1
Source of Standard: SEER/CoC
Section Name: Cancer Identification
Record Types:
A
,
M
,
C
,
I
XML NAACCR ID: grade
Parent XML Element: Tumor
Alternate Names:
- Grade, Differentiation, or Cell Lineage Indicator (SEER/CCCR)
- Grade/Differentiation (CoC)
Required Status:
NPCR Collect: RH - Historically collected and currently transmitted
CoC Collect: RH - Historically collected and currently transmitted
SEER Collect: RH - Historically collected and currently transmitted
CCCR Collect: RH - Historically collected and currently transmitted
Description:
Code for the grade or degree of differentiation of the reportable tumor. For lymphomas and leukemias, field also is used to indicate T-, B-, Null-, or NK-cell origin.
Note: Code 8 was adopted for use with lymphoma cases diagnosed in 1995 and later.
Item Data Type:
digits
Allowable Values
1-9
Codes:
See the grade tables on page 67 of ICD-O-3.^16^ See also the most recent CoC STOREmanual andSEER Program Code Manual, for site specific coding rules and conversions
1 |
Grade I |
|---|---|
2 |
Grade II |
3 |
Grade III |
4 |
Grade IV |
5 |
T-cell |
6 |
B-cell |
7 |
Null cell |
8 |
NK (natural killer) cell |
9 |
Grade/differentiation unknown, not stated, or not applicable |
Code Notes:
Comment: Use the most recent Hematopoietic and Lymphoid rules for assigning grades 5-8.