28. An appeal must be filed within 6 months of a claim determination. 29. Column 1/Column 2 edits are part of the NCCI. 30. The electronic version of the CMS-1500 claim form is called the 837E. 31. A free source of information about the number of global surgical days assigned to a code is the Medicare Fee Schedule Lookup Tool. 32. The Administrative Simplification Compliance Act (ASCA) requires that claims be sent electronically to Medicare as a condition for payment. 33. The Place of Service Codes Set is required for use in the implementation guide adopted as the national standard for electronic transmission of professional health care claims under the provisions of the Health Insurance Portability and Accountability Act of 1996 (HIPAA). 34. CMS will continue to look at ASC payment reform, specifically site neutrality and efficiency of care. 35. Coverage and subsequent payment of a Medicare service depends on that service being medically necessary and medically reasonable. 36. According to Medicare, ASCs are permitted to share space with Critical Access Hospital outpatient surgery departments and with Medicare participating Independent Diagnostic Testing Facilities (IDTF). 37. The Medicare rules state that non-ASC facility services that are separately reimbursable include the physician's professional services; sale, lease, or rental of durable medical equipment for ASC patients to use at home; services performed by an independent laboratory; and hospital-based ambulance services. 38. Because an ASC bills to Part B of Medicare, the physician NCCI edits are the ones that apply. 39. The NCCI contains one table of PTP edits for physicians/practitioners and one table of PTP edits for outpatient hospital services. 40. All payers use the same modifiers.