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ASC Facility Claims Billing Tips

HealthChoice encourages ambulatory surgery centers to bill facility charges on a form UB-04 or through 835i electronic claims. However, HealthChoice will accept facility charges when billed on a CMS 1500 form as outlined below.

When an ASC bills both the professional and ambulatory surgery center charges on a CMS 1500 form, it can be difficult to distinguish between the two.

To ensure that ASC claims and professional claims are paid as separate services and at the correct rates, providers should follow these guidelines when billing a CMS 1500 form:  

  • Ensure that the ASC claim does not include the rendering provider’s Type 1 NPI. On a CMS 1500 form, this information is often included in field 24. However, for ASC claims, you should leave field 24J blank.
  • Include all facility information in box 33 and the ASC’s NPI in field 33a; this is the billing provider information.
  • Add an SG modifier to the first modifier field for service codes. The SG modifier distinguishes the claim as an ASC claim (facility claim).
  • Use the place of service indicator for an ASC; this is place of service 24.

For questions about ASC facility billing, contact the medical and dental claims administrator at toll-free 800-323-4314.

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