California Cancer Reporting System Standards Volume I: Abstracting and Coding Procedures for Hospitals
For cases diagnosed 1/1/2006 forward, code the sequence in which systemic therapy and surgical procedures were performed as part of the first course of treatment.
The codes are:
Code |
Description |
0 |
No systemic therapy and /or surgical procedures; unknown if surgery and/or systemic therapy given |
2 |
Systemic therapy before surgery |
3 |
Systemic therapy after surgery |
4 |
Systemic therapy both before and after surgery Note: At least two courses of systemic therapy must be given to assign code 4. |
5 |
Intraoperative systemic therapy |
6 |
Intraoperative systemic therapy with other therapy administered before and/or after surgery |
7 |
Surgery both before and after systemic therapy |
9 |
Sequence unknown |
If first course of treatment includes (codes 10-90 in Surgery of the Primary Site fields, codes 1-7 in the Scope of Regional Lymph Node Surgery fields, and codes 1-8 in the Surgery of Other Regional(s), Distant Site(s), or Distant Lymph Node(s) fields) and systemic therapy, use codes 2-9. For all other cases, use code 0.