Hospital Outpatient Prospective Payment System (OPPS): Use of Modifiers -52, -73 and -74 for Reduced or Discontinued Services
This manual revision clarifies use of modifiers -52,
-73, and -74. These modifiers are used to report procedures that are discontinued by the
physician due to unforeseen circumstances. This manual revision also clarifies that discontinued radiology procedures that do not
require anesthesia may not be reported using modifiers -73 and -74.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: January 21, 2005
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