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00580
Effective Date of Reference Range
2011-03-06
...
2.6
Sep
2007
2.7
Jan
2011
2.7.1
Jul
2012
...
7.4.2.11 OBX-12 Effective Date of Reference Range (DTM) 00580:
Definition: This field contains the date (and, optionally, the time) on which the values in
OBX-7
-reference range went into effect.
Usage Rule: This field can be valued only if
OBX-7
-reference range is populated.
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OBX
Observation/Result
OBX-12: Effective Date of Reference Range
Length
Not specified
DTM
Date/Time
Primitive