I don't think it goes in Box 19 on the claim.  I think you have to use Cat II or Cat III codes.  Check out this document.  I did not read it.

http://www.cms.gov/pqrs/downloads/Getting_Started_with_2011_PhysQualRptg_of_Measures_Groups_033111.pdf?agree=yes&next=Accept

Melinda Brown, CMBS
Ins Biller