Quick reference chart for billing Medicare secondary payer (MSP) claims

After the processing of the claim by the primary insurer, the claim should be submitted to Medicare for consideration of secondary benefits. The following chart provides guidance on the MSP data elements to report on your MSP claim. 

An MSP claim may be submitted:

  • Electronically via 837I claim:
    • Using a billing service or clearinghouse, directly through a Secure File Transfer Protocol (SFTP) connection (PC-ACE), or SPOT portal 's batch claim submission
  • Through Fiscal Intermediary Standard System (FISS)/direct data entry (DDE)
  • Hardcopy CMS-1450 (UB-04) claim form:
Code/Data element UB-04 form locator (FL) Electronic field FISS/DDE

Condition codes *

02 Condition is employment-related

06 end stage renal disease (ESRD) patient in first 30 months of entitlement

08 beneficiary refused to provide information concerning other insurance coverage

77 full payment received from primary payer

FL 18-28

2300 HI (BG)

Page 01

Occurrence codes and dates*

01 and date of accident (DOA) if medical-payment plan is primary

02 and DOA if no-fault is primary

03 and DOA if liability is primary

04 and DOA if WC is primary

05 and date of other accident- date

33 and date ESRD coordination period began

FL 31-34

2300 HI (BH)

Page 01

Value codes and payment

12 Working aged

13 ESRD

14 Auto/No-fault

15 Worker’s Compensation

41 Black Lung

43 Disability

44 Obligated to accept (OTAF)

47 Liability

FL 39-41

2300 HI (BE)

Page 01

Payer code ID

A Working aged

B ESRD

D Auto/No-fault

E Worker’s Compensation

G Disability

H Black Lung

L Liability

N/A

N/A

Page 03

Primary insurer name

FL 50A

2330B NM1

Page 03

Paid date

N/A

2330B DTP03 or 2430 DTP03

Page 03 CAS Segment

Paid amount

N/A

2320 AMT02 D (full claim)

2430 SVD02 (line level)

Page 03 CAS Segment

Group code (GRP)

CO contractual obligations

CR corrections and reversals

OA other adjustments

PI payer initiated reductions

PR patient responsibility

N/A

2320 CAS01 or 2430 CAS01 (one or the other but not both)

Page 03 CAS Segment

CARC code (See X12 External Code Lists for complete list) *

1 deductible

2 coinsurance amount

3 copayment amount

27 expenses incurred after coverage terminated

45 charge exceeds fee schedule/maximum allowable or contracted/legislative fee arrangement

96 noncovered charge(s)

119 benefit maximum has been reached

N/A

2320 CAS02 or 2430 CAS02 (one or the other but not both)

Page 03 CAS Segment

Amount

N/A

2320 CAS03

Page 03 CAS Segment

Insured's name

FL 58A

2330A NM104

Page 05

Patient relationship*

01 Spouse

18 Self

19 Child

21 Unknown

53 Life partner

G8 Other relationship

FL 59A

2320 SBR02

Page 05

Insured's unique ID

FL 60A

2330A NM109

Page 05

Insurance group name

FL 61A

2320 SBR04

Page 05

Insurance group number

FL 62A

2320 SBR03

Page 05

Insurance address

Use Remarks FL80

Use Remarks 2300 NTE

Page 06

Employer name

FL 65A

N/A

N/A

Remarks

FL 80

2300NTE

Page 06

* Not an all-inclusive list

 

References