CMS released Transmittal No. 2634 to update the Medicare Claims Processing Manual in connection with the changes to payment for medical and surgical services furnished by CRNAs. In particular:
140.4.3 – Payment for Medical or Surgical Services Furnished by CRNAs (Rev.2634, Issued: 01-11-13, Effective: 01-01-13, Implementation: 02-12-13)
Payment shall be made for reasonable and necessary medical or surgical services furnished by CRNAs if they are legally authorized to perform these services in the state in which services are furnished. Payment is determined under the physician fee schedule on the basis of the national physician fee schedule conversion factor, the geographic adjustment factor, and the resource-based relative value units for the medical or surgical service.