HI, It appears our daughter (7) has the difficult to DX, atypical CF.....one mutation known 1989+1G>A, did Ambry 1000 test.....Anybody have atypical CF or know of anybody...I'm trying to find out what the stats of atypical are..i wrote the CF foundation, have not heard back yet....I guess atypical is rare...don't know??? Appreciate any info on it. Thanks, BetJuliet in So. cal