Each of the modifier and unit instructions in the second column of the Table correspond to services described in the first column. Using Medicaid National Correct Coding Initiative (NCCI) guidance, match services with the modifier and unit instruction. (Reference the Table in “Back to Basics: The National Correct Coding Initiative” on page 3 for further description of modifiers.) Answers and rationale follow the Table. (Note: Private payer guidance may vary from that of the NCCI manual. Contracts may require adherence to the individual payer’s published guidance.)

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