tci ED Coding & Reimbursement Alert - 2004 Issue 5

Reader Question: Attach -GY, -GZ to Speed Denials

Question: What are modifiers -GY and -GZ, and how should I use them?   Oregon Subscriber Answer: The Centers for Medicare and Medicaid Services created modifiers -GY and -GZ in 2002, designed for use on claims for noncovered services. According to the agency, "The -GY modifier must be used when physicians, practitioners, or suppliers want to indicate that the item or service is statutorily non-covered or is not a Medicare benefit."You should append modifier -GY (Item or service statutorily excluded or does not meet the definition of any Medicare benefit) when you know a claim will...

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