AS modifer CPT 27447

ds1317

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We billed this CPT 27447 with an AS modifier to Medicare and received a rejection of the procedure is inconsistant with modifier used or a required modifier is missing. Does anyone know if even though in the description of the procedure it states (total knee anthroplasty) if we need the LT/RT modifiers? When we called Medicare they stated the AS modifier was correct but required an additional modifier.
 

sstone

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I agree with Tina, I never had a problem billing with -AS modifier alone if nothing else was done

Sharon
 

cmedina

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That's odd coming from Medicare, I bill this code all the time with only the -AS modifier. I've never once received a denial, I suggest you appeal this.
 
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I recently had the same issue with Medicare. As I have never had this issue before and no other modifier was required, I just appealed the denial. There is no reason to not pay the claim. Maybe this is a new "glitch" with Medicare??;)
 
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