California Cancer Reporting System Standards, Volume III

Reg Tum No

IDENTIFIERS

DESCRIPTION

Historical independent number assigned by regional registry to each tumor entered into the region's database for a patient. No adjustment is made when a tumor is deleted from the system. May change if Reg_Pat_No is changed via patient relinking, otherwise it does not change at all.

LEVELS

Tumors, Admissions

LENGTH

2

ALLOWABLE VALUES

01-99

SOURCE

May be entered on the record of a tumor previously registered by this hospital in Reg Tum No; still generated automatically by regions not using the central system directly when a new tumor is created (Date of Diagnosis is not taken into account.); Numbers are never reused.

UPDATE

None

CONSOLIDATED DATA EXTRACT

Yes, extract from tumor record.

INTERFIELD EDITS

None

HISTORICAL CHANGES