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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
Data Elements implementing this Value Domain 1