Beast mode count distinct based on subset of data

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Highlighted
White Belt

Beast mode count distinct based on subset of data

Hi - I am trying to count distinct patient ids based on a subset of data.  My beast calculation is shown below.  To explain further, I am in need of the unique patients who are first in the initial group (have at least 1 record with one of the indicated procedure codes), and then, of those patients, how many also have a record with this procedure code 0521F.  I can easily get a count of the unique patients for each independently.  I just can't get it to work with the dependency.  The calculation below indicates it's valid, but gives me a processing error.  I've tried adjusting without success.

Is there a way to do this without having to use ETL?  It is a huge dataset, so, I'm hoping there is an alternative way.   Thanks so much!

 

( Case when left(`PROCEDURECODE`,5) in ('77427', '99201', '99202','99203', '99204', '99205', '99211', '99212', '99213', '99214', '99215','99241', '99242', '99243', '99244', '99245') then

 

 

                              COUNT(DISTINCT

     

                              case when left(`PROCEDURECODE`,5) = '0521F' then `PATIENTID`

 

                              end       

               )

     

       

end)

Highlighted
Black Belt

I don't believe this is possible via beastmode.  I have heard rumors of being able to add aggregate fields to a filter, but that is not yet in the product so I think you will need to make these changes in a dataflow.


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Highlighted
White Belt

Thank you!  I appreciate the reply.

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