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- Use of Modifier 90 [Reference (Outside) Laboratory] for Hospital Fee-for-Service Outpatient Claims Billed on the 837P or HFS 2360 Claim Formats Effective March 1 2018
Use of Modifier 90 [Reference (Outside) Laboratory] for Hospital Fee-for-Service Outpatient Claims Billed on the 837P or HFS 2360 Claim Formats Effective March 1 2018
May 17, 2018Illinois Department of Healthcare and Family Services Provider Notice
Source: https://www.illinois.gov/hfs/MedicalProviders/notices/Pages/prn180213a.aspx