NAME            TYPE    LENGTH
-----------------------------------   ------
 SMI COVERAGE                 NUM       3    

	TOTAL NUMBER OF MONTHS OF PART B COVERAGE

	SHORT NAME: B_M0_CNT
	LONG NAME: BENE_SMI_CVRAGE_TOT_MONS

	2 DIGITS

	CCW FIELD SOURCE AND DERIVATION:
	  RIC-D; Field Name: BENE_PTB_ENTLMT_STRT_DT and BENE_PTB_ENTLMT_TRMNTN_DT

	  The value in this field will be within the valid range of values ‘00’
	  through ‘12,’ inclusive.  The value of this field is derived in the 
	  Beneficiary Summary File processing through examination of the valid 
	  Medicare Part B coverage period(s) found for the beneficiary that 
	  has/have at least one month overlapping the time-span of the 
	  Beneficiary Summary File reference year.  Only those months occurring
	  during the Beneficiary Summary reference year are counted.