Alternate Name	Item#	Length	Source of Standard	Column #
State at Diagnosis (CoC) State (pre-96 CoC)	80	2	CoC	145-146

Description
USPS abbreviation for the state, territory, commonwealth, U.S. possession, or CanadaPost abbreviation for the Canadian province/territory in which the patient resides at the time the reportable tumor is diagnosed. If the patient has multiple primaries, the state of residence may be different for each tumor. Effective with NAACCR Volume II, Version 13 a new data item, Addr at Dx--Country [102] was added to the standard transmission record layout. The UDS Committee expects the new items to supplement the use of Addr at Dx--State [80].

Codes (in addition to USPS abbreviations)

CD	Resident of Canada, NOS (province/territory unknown)
US	Resident of United States, NOS (state/commonwealth/territory/possession unknown)
XX	Resident of country other than the United States (including its territories, commonwealths, or possessions) or Canada, and country is known
YY	Resident of country other than the United States (including its territories, commonwealths, or possessions) or Canada, and country is unknown
ZZ	Residence unknown