Change Indicators

  9453  Code value source, coded                                   [B]

  Desc: Identifies the source of a code value.

  Repr: an..3

        1 External
             The code value is from an external code list.
        2 Standard
             The code value is from the code list specified within the
             standard.
        3 Non-published
             The code value is taken from a non-published code list.