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Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
2,352
10
NAACCR
2003
10
NAACCR XML: Tumor.latitude
Description
Paired with Longitude [2354], this represents the point location of the individual’s residence on the earth’s surface. It is typically determined by matching an address to a reference file or by identifying the residence using satellite imagery. This item is coded at the central registry, not by the reporting facility.
Rationale
Latitude and Longitude comprise the universal standard for designating location on the earth’s surface. Geographic Information Systems software can be used to convert these values into projected coordinates for map display.
Allowable values and format
Latitude is a 10- digit numeric field, right justified, with up to six decimal places and an explicit decimal point. The format is x12.345678, where “x” is reserved for a negative sign for locations south of the equator. Latitude north of the equator is positive. The datum of the decimal degree data shall be North American Datum of 1983 (NAD 83).
Values are in decimal degrees, not degrees/minutes/seconds.
Correct: Latitude: 41. 890833
Not this: Latitude: 41 deg 53' 27"