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Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
1861
2
NAACCR
2010
12
NAACCR XML: Tumor.recurrenceDate1stFlag
Description
This flag explains why no appropriate value is in the field, Recurrence Date--1st [1860].
Rationale
Before Version 12 (through 2009 diagnosis), date fields included codes that provided information other than dates. As part of an initiative to standardize date fields, new fields were introduced to accommodate non-date information that had previously been transmitted in date fields.
Codes (See Appendix H for the Flavors of Null table in its entirety which includes the NAACCR codes, HL7 codes and definitions.)
10
No information whatsoever can be inferred from this exceptional value (e.g, unknown if the patient had a first recurrence)
11
No proper value is applicable in this context (e.g., patient became disease-free after treatment; never had a recurrence; or patient was never disease-free; autopsy only case)
12
A proper value is appicable but not known (i.e., there was a recurrence, but the date is unknown)
Blank
A valid date value is provided in item Recurrence Date--1st [1860], or the date was not expected to have been transmitted
Comment: This is part of the initiative of the transformation from the old NAACCR date standards to interoperable dates.
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