Medicare Secondary Payer Manual (Pub. 100-05), Ch. 5 § 50.1.7
Payment Calculation for Physician/Supplier Claims (MSPPAYB
50.1.7 - Payment Calculation for Physician/Supplier Claims (MSPPAYB
Module)
(Rev. 11550; Issued: 08-12-22; Effective: 10-13-22; Implementation:10-13-22)
The MSPPAYB module performs the necessary payment calculation for
physician/supplier claims.
A. Data Elements to send to MSPPAYB
MSPPAY must send the following data elements to MSPPAYB:
NO.
Field Name
Definition/Use
Source/Value
1
TEST SWITCH
Indicator to turn on function
within the MSP software
display sending and returning
data. Used to identify payment
problems.
"T" = display send/return data
Space = do not display data.
2
THRU DATE
Ending service date of the
period included on the claim
(CCYYMMDD)
Supplied by A/B MAC (Part
B) system from the claim.
THRU DATE CC
Value = "19" or "20"
NO.
Field Name
Definition/Use
Source/Value
THRU DATE YY
Value = "00" thru "99"
THRU DATE MM
Value = "01" thru "12"
THRU DATE DD
Value = "01" thru "31"
3
RECORD ID
Identifies the claim type.
Part B = "HMBC"
4
CLMNO
Health Insurance Claim
Number (HICN)
Supplied by A/B MAC (Part
B) system from the claim
5
DOC CNTL
NUM
Assigned document control
number.
Assigned and supplied by A/B
MAC (Part B) system.
6
FULLY PAID
CLAIM IND
Indicator that reflects claim is
fully paid by the third party
payer.
Supplied by A/B MAC (Part
B) system.
Values:
Y = Fully Paid
Space = Not Fully Paid
7
NUM OF OTHER
PAYERS
The number of other payers
who are primary to Medicare.
Supplied by A/B MAC (Part
B) system Values = "01" thru
"10"
8
THIRD PARTY
PAYER TABLE
MSP code(s) and MSP amount
comprise third party data
Supplied by A/B MAC (Part
B) system. May occur up to 10
times.
MSP CODE
Code(s) identifying the other
payer:
12 = EGHP (Working Aged)
13 = ESRD (End Stage Renal
Disease)
14 = AUTO (Automobile/No-
Fault)
15 = WORK (Workers"
Compensation)
16 = FEDS (Federal)
41 = BL (Black Lung)
42 = VA (Veterans)
43 = DSAB (Disability)
47 = LIAB (Liability)
Based on information obtained
from the claim or from third
party-payer information
submitted with the claim, i.e.,
explanation of benefits.
MSP AMOUNT Amount(s) paid by the other
payer.
Third party payer explanation
of benefits
9
TOTAL
ACTUAL
CHARGES
Total charges billed by the
physician/supplier.
Total Charges billed on the
professional claim.
10
OBLIGATED TO
ACCEPT
Amount the provider agrees to
accept as payment in full when
this amount is less than the
charges but higher than the
payment received from the
primary payer.
Third party payer explanation
of benefits
NO.
Field Name
Definition/Use
Source/Value
11
OTHER PAYER
ALLOWED
AMT.
Covered charges allowed by
the third party payer.
Third party payer explanation
of benefits
12
MEDICARE
REASONABLE
CHG & FEE
SCHEDULE
The Medicare reimbursement
amount excluding applicable
deductible and coinsurance.
Computed and supplied by
A/B MAC (Part B) system.
13
FILLER
Nine Value Spaces
14
BLOOD
DEDUCTION
Dollar amount of blood
deductible charged by
Medicare.
Zero for Medicare Part B
15
CASH
DEDUCTION
Dollar amount of deductible
charged by Medicare.
Supplied by A/B MAC (Part
B) system.
16
FILLER
Sixty-eight value spaces
17
TOTAL COIN
AMT
The total coinsurance amount
chargeable to the beneficiary.
Computed and supplied by
A/B MAC (Part B) system.
18
FILLER
Six value spaces
19
Assignment
Indicator
An indicator that identifies if
the claim is assigned or
unassigned.
From the claim.
20
FILLER
Twenty-eight value spaces
21
MED PRIMARY
PAYMENT
The Medicare reimbursement
amount less applicable
deductible and coinsurance.
Computed and supplied by
A/B MAC (Part B) system.
22
PROVIDER
PAYMENT AMT
The Medicare reimbursement
amount to be paid to the
provider.
Computed and supplied by
A/B MAC (Part B) system.
23
PATIENT
PAYMENT AMT
The Medicare reimbursement
amount to be paid to the
patient.
Computed and supplied by
A/B MAC (Part B) system.
24
G-R-H PERCENT
(GRAMM-
RUDMANN-
HOLLINGS)
The applicable percent
reduction required by the
Gramm-Rudmann-Hollings
Act.
Supplied by A/B MAC (Part
B) system.
25
CHARGES
NSDC
(CHARGES NOT
SUBJECT TO
DEDUCTIBLE
AND
COINSURANCE)
Charge amount not subject to
deductible and coinsurance,
i.e., reimbursed at 100%.
Compute and supplied by A/B
MAC (Part B) system.
26
CHARGES SD
(CHARGES
SUBJECT TO
DEDUCTIBLE)
Charge amount subject to the
deductible.
Computed and supplied by
A/B MAC (Part B) system.
NO.
Field Name
Definition/Use
Source/Value
27
PSYCH
CHARGES
Allowed psychiatric charges.
Computed and supplied by
A/B MAC (Part B) system.
28
PAR
INDICATOR
Supplied by A/B MAC (Part
B) system
"P" = Par Provider
"N" = No-Par Provider
29
LIMITED FEE
NON-PAR
Computed and supplied by
A/B MAC (Part B) system
30
LIMITED
CHARGES
UNASSIGNED
Computed and supplied by
A/B MAC (Part B) system
31
RESERVED FOR
CMS
Space reserved for future
enhancements.
One hundred seventy nine
value spaces.
32
RESERVED FOR
USER
Space reserved for user as
necessary.
One hundred ninety value
spaces.
B. MSPPAYB Returning Data Elements
MSPPAYB will return the following data elements to MSPPAY. Refer to section A above
for field definitions not reflected below.
NO. Field Name
Definition/Use
Source/Value
1
RETURN CODE
Numeric code indicating the
results from processing the
secondary payment
computation and savings.
Identifies a fully or partially
paid bill as well as invalid
sending data.
Determined by MSPPAYB Valid
values "3000" thru "3999" (See
§40.1.3 above; also refer to the
technical documentation released
with the software.) Unless
otherwise specified MSPPAY is
the source of all the following,
possibly modified by MSPPAY.
No
Field Name
Definition/Use
2
BLOOD DEDUCTION TO CWF
Amount of blood deductible to report to
CWF.
3
CASH DEDUCTION TO CWF
Dollar amount of deductible to report to the
CWF
4
FILLER
Seventy-seven value spaces
5
TOTAL COIN AMT TO CWF
The total coinsurance amount to report to
the CWF.
6
FILLER
Nine value spaces
7
MED SECONDARY PAYMENT
Medicare's secondary payment computed
by the MSP software.
8
PROVIDER PAYMENT AMT
No
Field Name
Definition/Use
9
PATIENT PAYMENT AMT
10
BLOOD DEDUCTION TO CHG
The amount of blood deductible the
beneficiary may be charged by the
provider.
11
CASH DEDUCTION TO CHG
The dollar amount of deductible the
beneficiary may be charged by the
provider.
12
TOTAL COIN AMT TO CHG
The total coinsurance amount chargeable to
the beneficiary.
13
FILLER
Three value spaces
14
G-R-H (GRAMM-RUDMANN-
HOLLINGS) SAVINGS REDUCTION
The amount of the MSP savings reduced
for Gramm-Rudmann-Hollings.
15
GROSS MEDICARE PAYMENT
The amount Medicare pays as primary
excluding deductibles and coinsurance.
16
FILLER
Nine value spaces.
17
SAVINGS MSP GHP
Amount saved by Medicare when an GHP
has made a payment for a working aged
beneficiary (MSP Code 12).
18
SAVINGS MSP ESRD
Amount saved by Medicare when an
EGHP has made a payment for an ESRD
beneficiary (MSP Code 13).
19
SAVINGS MSP AUTO
Amount saved by Medicare when another
insurer has made payment in an
automobile/no-fault situation (MSP Code
14).
20
SAVINGS MSP WORK
Amount saved by Medicare when workers'
compensation payment has been made
(MSP Code 15).
21
SAVINGS MSP FEDS
Amount saved by Medicare when PHS or
other Federal agency made payment (MSP
Code 16).
22
SAVINGS MSP BL
Amount saved by Medicare when Black
Lung payment has been made by the
Department of Labor (MSP Code 41).
23
SAVINGS MSP VA
Amount saved by Medicare when payment
has been made by the Department of
Veteran's Affairs (MSP Code 42).
24
SAVINGS MSP DSAB
Amount saved by Medicare when an
LGHP has made a payment for a disabled
beneficiary (MSP Code 43).
25
SAVINGS MSP LIAB
Amount saved by Medicare when payment
has been made by a liability insurer (MSP
Code 47).
26
SAVINGS TOTAL
Total savings to the Medicare program
when Medicare is the secondary payer a
primary payer(s) has made some payment.
No
Field Name
Definition/Use
Includes all MSP codes 12 - 16, 41 - 43,
and 47.
27
SAVINGS NON-EGHP
Total savings to the Medicare program for
all non-EGHP payments for a Medicare
beneficiary. Includes MSP codes 14, 15,
16, 41, and 47. (This field is only returned
for claims with service "thru-dates" prior to
11/13/89.)
28
SAVINGS EGHP
Total savings to the Medicare program for
all EGHP payments for a Medicare
beneficiary. Includes MSP codes 12, 13,
and 42. (This field is only returned for
claims with service "thru-dates" prior to
11/13/89.)
29
MSP COMPUTATION 1
The result of: the total actual charge by the
physician/supplier, or the limiting charge
(if the claim is unassigned), or an amount
the physician/supplier is obligated to accept
as payment in full if that is less than the
charges) minus the amount paid by the
primary payer for covered services.
30
MSP COMPUTATION 2
The result of the gross amount payable by
Medicare minus applicable deductible and
coinsurance amounts.
31
MSP COMPUTATION 3
The result of the higher of the primary
payer's allowed or the Medicare allowed
minus the amount paid by the primary
payer. The Medicare allowed and the
primary payer's allowed are determined
without regard to the Medicare or primary
plan's deductible or coinsurance,
respectively.
32
FILLER
Nine value spaces
33
RESERVED FOR CMS
Space reserved for future enhancements.
(200 value spaces)
34
RESERVED FOR USER
Space Reserved for User as Necessary.
(153 value spaces)