D01B Data Element 3077

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3077
Code specifying the medium on which a test was or is to be applied.
1
Specifies the medium being tested is an animal.
2
Specifies the medium being tested is a human.
3
Specifies that the medium being tested is the sulphide component.
4
Specifies that the medium being tested is the aluminate component.
5
Specifies that the medium being tested is the silicate component.
6
Specifies that the medium being tested is the oxide component.
ZZZ
Self explanatory.