NAME             TYPE   LENGTH
-------------------------------------   ------
    NCH Primary Payer Code       CHAR      1

	The code, on an institutional claim, specifying a federal
	non-Medicare program or other source that has primary
	responsibility for the payment of the Medicare beneficiary's
	health insurance bills.

	SHORT NAME: PRPAY_CD
	LONG NAME: NCH_PRMRY_PYR_CD

	DERIVATION:
	DERIVED FROM:
	   CLM_VAL_CD
	   CLM_VAL_AMT

	DERIVATION RULES

	  SET NCH_PRMRY_PYR_CD TO 'A' WHERE THE
	  CLM_VAL_CD = '12'

	  SET NCH_PRMRY_PYR_CD TO 'B' WHERE THE
	  CLM_VAL_CD = '13'

	  SET NCH_PRMRY_PYR_CD TO 'C' WHERE THE
	  CLM_VAL_CD = '16' and CLM_VAL_AMT is zeroes

	  SET NCH_PRMRY_PYR_CD TO 'D' WHERE THE
	  CLM_VAL_CD = '14'

	  SET NCH_PRMRY_PYR_CD TO 'E' WHERE THE
	  CLM_VAL_CD = '15'

	  SET NCH_PRMRY_PYR_CD TO 'F' WHERE THE
	  CLM_VAL_CD = '16' (CLM_VAL_AMT not
	  equal to zeroes)

	  SET NCH_PRMRY_PYR_CD TO 'G' WHERE THE
	  CLM_VAL_CD = '43'

	  SET NCH_PRMRY_PYR_CD TO 'H' WHERE THE
	  CLM_VAL_CD = '41'

	  SET NCH_PRMRY_PYR_CD TO 'I' WHERE THE
	  CLM_VAL_CD = '42'

	  SET NCH_PRMRY_PYR_CD TO 'L' (or prior to 4/97
	  set code to 'J') WHERE THE CLM_VAL_CD = '47'

	CODES:
	Beneficiary Primary Payer Table
	-------------------------------
	A = Working aged bene/spouse with employer group health plan (EGHP)
	B = End stage renal disease (ESRD) beneficiary in the 18 month
	    coordination period with an employer group health plan
	C = Conditional payment by Medicare; future reimbursement expected
	D = Automobile no-fault (eff. 4/97; Prior to 3/94, also included
	    any liability insurance)
	E = Workers' compensation
	F = Public Health Service or other federal agency (other than Dept.
	    of Veterans Affairs)
	G = Working disabled bene (under age 65 with LGHP)
	H = Black Lung
	I = Dept. of Veterans Affairs
	J = Any liability insurance (eff. 3/94 - 3/97)
	L = Any liability insurance (eff. 4/97) (eff. 12/90 for carrier claims
	    and 10/93 for FI claims; obsoleted for all claim types 7/1/96)
	M = Override code:  EGHP services involved (eff. 12/90 for carrier
	    claims and 10/93 for FI claims; obsoleted for all claim types 7/1/96)
	N = Override code:  non-EGHP services involved (eff. 12/90 for carrier
	    claims and 10/93 for FI claims; obsoleted for all claim types 7/1/96)

	BLANK = Medicare is primary payer (not sure of effective date:
	        in use 1/91, if not earlier)

	T = MSP cost avoided - IEQ contractor (eff. 7/96 carrier claims only)
	U = MSP cost avoided - HMO rate cell adjust- ment contractor (eff.
	    7/96 carrier claims only)
	V = MSP cost avoided - litigation settlement contractor (eff. 7/96
	    carrier claims only)
	X = MSP cost avoided override code (eff. 12/90 for carrier claims
	    and 10/93 for FI claims; obsoleted for all claim types 7/1/96)

             ***Prior to 12/90***

	Y = Other secondary payer investigation shows Medicare as primary payer
	Z = Medicare is primary payer

	NOTE:  Values C, M, N, Y, Z and BLANK indicate Medicare is primary payer.
	       (values Z and Y were used prior to 12/90.  BLANK was suppose to be
 	      effective after 12/90, but may have been used prior to that date.)

	COMMENT:
	Prior to Version H this field was named:
	BENE_PRMRY_PYR_CD.

	SOURCE:
	NCH