Cystic fibrosis?

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The newborn screening was just returned to my doctor and he said that the enzyme IRT that they look for with cystic fibrosis was elevated. He said they had analyzed it more and found none of the common CF mutations and that was that.

We didn’t have to repeat the test. So does that mean my baby is good? I’m a bit worried and didn’t get much information other than that.

She was stressed at birth and I know that can contribute to the elevation of that enzyme but I’m just nervous.