CMS was busy Dec. 31. In yet another transmittal issued New Year's Eve, the agency clarified that signature and date stamps are not acceptable for use on CMNs and DME MAC information forms (DIFs) after Feb. 2.

"The method used should be handwritten including facsimiles of original written or an electronic signature" to sign an order or other medical record documentation for medical review purposes, the agency said.

View the official instruction issued to the DME MACs.