March 31, 2009
On April 19, 2009 EDI will implement warning edit, A545A, for all Institutional 837 transactions. Edit A545A will be a warning for 90 days and reject claims beginning July 19, 2009.
| EDIT | DESCRIPTION |
| A545A | 1st digit of NPI value not 1 |
| Logic | Submission of an NPI beginning with something other than "1" will receive a warning or reject in the future. |