G0202 vs g0206

Hi
Medicare denying the claim when we billed G0202(MAMMOGRAM SCREENING) VS G0206(DIAGNOSITIC MAMMOGRAM UNILATERAL MEDICARE denying the CPT® G0202 as inclusive it is new denial which we recived for the year 2015 also as per CCI EDITS stating as inclusive what would be the appropriate modifier will be appended here
Please advise
Braddy