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Table 2 ICD-9 site code discrepancies between automatically accepted cases in comparison to manually generated cases.

From: Consistency and accuracy of diagnostic cancer codes generated by automated registration: comparison with manual registration

Type of discrepancy No. %
Primary neoplasm coded:   
   With different primary site code 28 57
   As metastases or unspecified neoplasm 17 35
   As neoplasm of uncertain behaviour 1 2
Ill-defined neoplasm coded as:   
   Primary neoplasm 1 2
   Metastases 0 0
Uncertain behaviour coded as   
   Primary neoplasm 2 4
TOTAL 49 100