Wiki Modifier for PA

PA Modifier

It has been our billing office's practice to use the AS modifier with all PA claims we submit. Medicare will not recognize the 80 modifier. BCBS, Cigna, Aetna, UHC and most of the other major commercial carriers will also recognize the AS modifier. As typically apply the AS modifier to Tricare/ Champus claims too (coding hint: if you are submitting a claim for a RNFA, Tricare will recognize the TD modifier in place of either AS, 80 or 81).
 
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