Exam (elaborations)
HCPCS Level II Modifiers Questions And Answers With Verified Solutions
- Course
- Institution
"OPT OUT" physician or practitioner emergency or urgent service. - GJ Acute or chronic active / corrective treatment (effective October 1, 2004) - AT Advance Beneficiary Notification on file. - GA Ambulatory surgical center (ASC) facility charges. This modifier is used only by the ASC for identi...
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