![Pre-implementation notice: CPRA calculation change](https://unos.org/wp-content/uploads/news-Kidney-pancreas-2023.png)
Pre-implementation notice: CPRA calculation change
This policy change is intended to more accurately reflect patient sensitization.
This policy change is intended to more accurately reflect patient sensitization.
Effective Sept. 28, 2022, the median MELD at transplant (MMaT) values for liver transplant candidates with exception scores will be updated.
OPOs are now required to make a reasonable effort to perform renal procurement biopsies for deceased kidney donors meeting certain criteria.
These policy changes impacting TIEDI forms were approved by the Office of Management and Budget (OMB) in March 2022.
Effective Aug. 30, new requirements under revisions to OPTN Policy 18: Data Submission Requirements include a data lock provision to make changes to any of the eight TIEDI forms.
Updates to HLA typing and unacceptable antigen reporting options and equivalencies are now in effect.