Definition
A code set representing how little the tumour resembles the normal tissue from which it arose.
Representation
Data Type | Number |
---|---|
Format | N |
Maximum character length | 1 |
Values
Value | Meaning | Start Date | End Date | |
---|---|---|---|---|
Permissible Values | 1 | Grade 1: Low grade; well differentiated, differentiated, NOS | ||
2 | Grade 2: Intermediate grade, moderately differentiated, moderately well differentiated, intermediate differentiation | |||
3 | Grade 3: High grade, poorly differentiated | |||
4 | Grade 4: Undifferentiated, anaplastic | |||
Supplementary Values | 9 | Grade or differentiation not determined, not stated or not applicable |
References
Related content
Relation | Count |
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Data Elements implementing this Value Domain | 1 |