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Just so, what is at modifier used for?
Provider Action Needed The Active Treatment (AT) modifier was developed to clearly define the difference between active treatment and maintenance treatment. Medicare pays only for active/corrective treatment to correct acute or chronic subluxation.
Beside above, what is an AT modifier in medical billing?
A modifier is a code that provides the means by which the reporting physician can indicate that a service or procedure that has been performed has been altered by some specific circumstance but has not changed in its definition or code. Below you will find a brief overview of common modifiers used in medicine.
Modifiers are words, phrases, or clauses that add description to sentences. Typically, you will find a modifier snuggled right next to—either in front of or behind—the word it logically describes. Take the simple, one-word adjective blue. If we add it to the sentence that follows, where should it go?