Care Improvement Model 1 is used
This code is used to identify that the care improvement model 1 is being used for bundling payments. The initiative if referred to as the Bundled Payments for Care Improvement initiative (BPCI, Model 1).
There are 4 of these Care Improvement Model fields (CLM_CARE_IMPRVMT_MODEL_CD1-CLM_CARE_IMPRVMT_MODEL_CD4).
This field was new in 2013, and is null/missing for all previous years.