US · guidance
CMS Pub. 100-04, ch. 34, § 10.1
Authority to Conduct a Reopening
Reopenings can be conducted by a contractor to revise an initial determination, revised
initial determination or redetermination; a Qualified Independent Contractor (QIC) to
revise a reconsideration; an Administrative Law Judge (ALJ) to revise a hearing decision,
and the Appeals Council (AC) to revise an ALJ decision or their own review decision.
Reopenings are generally not conducted until a party’s appeal rights have been exhausted
or the timeframe to file a request for an appeal has expired. There are two exceptions that
allow a reopening to be conducted when appeal rights have not been exhausted or the
timeframe to request an appeal has not expired. These exceptions are:
• Cases where Medical Review (MR) requested documentation, did not receive it,
and issued a denial based on no documentation (i.e., Group Code: CO -
Contractual Obligation; Claim Adjustment Reason Code (CARC) 50 - these are
non-covered services because this is not deemed a “medical necessity” by the
payer; and Remittance Advice Remark Code (RARC) M127 - Missing patient
medical record for this service). Subsequently, if the party requests an appeal and
submits the requested documentation with that appeal, it shall be treated as a
reopening; and
• Clerical errors (which includes minor errors and omissions) shall be treated as
reopenings.
If a contractor receives a valid and timely request for redetermination and begins
processing the request as a reopening (clerical error or otherwise) and later determines
that a reopening cannot be performed, or the determination cannot be changed, the
contractor shall not issue a refusal to reopen notice. Rather, the contractor shall process
the request as a valid/timely redetermination (as originally requested by the party) in
accordance with Pub. 100-04, chapter 29.
If a party has filed a valid request for an appeal, the adjudicator at the lower levels of the
appeals process loses jurisdiction to reopen the claim on the issues in question. For
example, a party simultaneously requests a QIC reconsideration and a reopening with the
contractor. The contractor can no longer reopen that redetermination decision now that
the party has filed a valid request for QIC reconsideration. This does not preclude
contractors from accepting and processing remands from the QIC.
As stated previously, it is within the contractor’s discretion to accept reopening requests,
but once accepted, they must be processed in accordance with the above instruction.
History
(Rev. 3568, Issued: 07-29-16, Effective: 09-30-16, Implementation: 09-30-16)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
d41260a2be01399b8dafa827d6121ed5b3d41451a7d86a39fbf7ddb019810a62
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