US · guidance
CMS Pub. 100-06, ch. 5, § 410.4
Receiving and Processing Unsolicited/Voluntary Refund Checks
When Identifying Information is Provided
(Rev. 315, Issued: 05-17-19, Effective: 06-18- 19, Implementation: 06-18-19)
The term Medicare beneficiary identifier (Mbi) is a general term describing a
beneficiary's Medicare identification number. For purposes of this manual, Medicare
beneficiary identifier references both the Health Insurance Claim Number (HICN) and
the Medicare Beneficiary Identifier (MBI) during the new Medicare card transition
period and after for certain business areas that will continue to use the HICN as part of
their processes.
The following instructions shall not supersede the present Program Integrity Manual
(PIM) that references procedures for handling unsolicited refunds where there is a
voluntary repayment and referral to law enforcement. The following procedures shall be
followed when unsolicited/voluntary refund checks are received:
1) Do not return any check submitted by a provider/physician/supplier and other
entities that is made payable to the Medicare program.
2) To ensure that repayment of Medicare funds is handled properly, Medicare
contractors shall deposit such a check within 24 hours of receipt in accordance
with Chapter 5, Financial Reporting Manual, section 100.3 and record the check
in the account entitled “Other Liabilities – Unapplied Receipts” per Form CMS-
750 instructions found in Chapter 5, Financial Reporting, Section 210.
3) If any checks are not deposited within the 24-hour period, contractors shall
record those undeposited checks in the account entitled “Assets/Cash –
Undeposited Collections” per Form CMS-750 instructions found in Chapter 5,
Financial Reporting, Section 210. Medicare contractors shall implement
internal controls to ensure the safeguarding of these Medicare checks until
deposit.
4) If the specific Patient/Medicare beneficiary identifier information was provided,
the contractor shall deposit the check and make/initiate the appropriate
adjustments, depending on the entity making the refund and the purpose of the
refund, either to the claims and/or to the claim history file within 60 days from
the check’s date of deposit for Non-Medicare Secondary Payer (MSP), or 100
days from the initial ECRS inquiry for MSP. For those contractors whose
checks are received through a locked box, appropriate claims adjustments shall
be updated within 60 days of receipt of the bank’s notification of deposit for
Non-MSP, and 100 days from the initial ECRS inquiry for MSP.
5) If the provider/physician/supplier, or other entity is not participating in the Self-Disclosure Protocol, contractors shall ensure that any MSN, or Remittance
Advice, generated as the result of the claims adjustment contains appeals
language, where appropriate. If necessary, contractors should determine the
proper handling of unsolicited/voluntary refunds on any open or re-openable
cost report.
6) No appeal rights shall be afforded, as stated in Exhibit 1, if the
provider/physician/supplier, or other entity 1) does not submit the specific
Patient/Medicare beneficiary identifier information, or 2) is participating in a
Self-Disclosure Protocol agreement.
7) The Medicare contractor shall establish an accounts receivable in the Medicare
system that shall be recognized on line 2a, New Accounts Receivable on Form
CMS-751 report within 60 days after the deposit of the voluntary refund for
Non-MSP, or 100 days from initial ECRS inquiry for MSP. In addition, the
Medicare contractor shall reduce the “Other Liabilities” account for the same
amount, and shall apply the refund to the established accounts receivable and
recognize the collection on line 4a, Cash/Check Collections on Form CMS-751
report.
8) The accounts receivable shall be established using the last name of the debtor
that issued the check or on whose behalf the check was issued, as well as the
debtor’s employer/tax identification number and/or provider or beneficiary
number. If the debtor’s employer/tax identification number or provider or
beneficiary number is unavailable, then the first four letters of the debtor’s name
and last four digits of the bank account number on the check shall be used as
identifying information for setting up the accounts receivable. All Medicare
systems shall have the ability to manually complete this procedure.
9) If the amount of the unsolicited/voluntary refund check exceeds the amount of
the original claim, Medicare contractors shall check all categories of open
account(s) receivable for that provider/physician/supplier or other entity
including those established as a result of medical review, benefit integrity (BI)
review, cost reports, other overpayment demands, and MSP demands. If an
outstanding receivable is identified, the contractor shall apply the remaining
amount of the unsolicited/voluntary refund to the outstanding receivable
balance. If there are multiple outstanding accounts receivables, then the excess
funds should be applied to the oldest accounts receivable first – interest then
principal.
10) Medicare contractors shall not automatically refund excess recoupments to the
provider/physician/supplier, or other entity. Contractors shall only refund
excess recoupments when no other outstanding accounts receivable exists, or
written documentation/evidence clearly supports that Medicare is not entitled to
the money or was not the intended recipient of the refund check. Contractors
shall follow the non-MSP provider/physician/supplier refund process when
encountering MSP provider/physician/supplier unsolicited/voluntary refunds.
Monies voluntarily sent in from beneficiaries (or a representative of) and/or
insurers or other third party payers may be refunded only if COBC determines,
after 100 days, no issue exists or an issue exists which results in the lead
contractor identifying Medicare’s claim to be less than the refunded amount.
For example, many times an attorney may remit payment for the total
conditional amount prior to a formal demand.
11) The Medicare contractor shall be responsible for completing Exhibit 1 (or
facsimile thereof) as appropriate and reporting it on Exhibit 2.
12) Contractors are not required to report the established accounts receivable on the
Physician Supplier Overpayment Reporting System (PSOR). (This requirement
does not preclude the contractor from reporting the receivable on the PSOR for
non-MSP, if current systems already do so. The contractor shall not report MSP
accounts receivable on the PSOR.)
History
(Rev. 315, Issued: 05-17-19, Effective: 06-18- 19, Implementation: 06-18-19)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
b994f01df7eea2b308f5c5f5e7b85da5e9d32405a08dd9fe0f31fb63985da2ce
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