Alternate Name Item# Length Source of Standard Column #
460 1 NAACCR 559-559

Description
Code that best describes how primary site was originally coded. If converted, this field shows the original coding system used.

Codes
1 ICD-8 and MOTNAC
2 ICD-9
3 ICD-O, First Edition
4 ICD-O, Second Edition
5 ICD-O, Third Edition
6 ICD-10
9 Other