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        Alternate Name
        Item #
        Length
        Source of Standard
        Implemented Year
        Implemented Version
        Retired Year
        Retired Version
        Column #
    
    
        Date Chemotherapy Started (CoC)
RX Date--Chemo

        1220
        8
        CoC
        
        
        
        
        1516 - 1523
    


Description

    Date of initiation of chemotherapy that is part of the first course of treatment. See also RX Summ--Chemo [1390]. See Chapter X for date format.

Formerly RX Date--Chemo.

Rationale
The dates on which different treatment modalities were started are used to evaluate whether the treatments were part of first-course therapy and to reconstruct the sequence of first-course treatment modes.
Note: CoC discontinued support of this item from 2003 through 2009.