If I submit electronic claims using the ANSI X-12 837 format, will I still be able to receive settlements in the old format during the contingency plan period?
Yes. The source of the claim input is not considered when producing a settlement. A provider can submit either an X837 or proprietary format claim and receive either an X835 Electronic Remittance Advice transaction or the current electronic proprietary format settlement. The provider is free to make this choice as long as the contingency plan is in effect.