Neonatal cystic fibrosis screening
Alternate Names : Cystic fibrosis screening - neonatal, Immunoreactive trypsinogen, IRT test
Normal Values
Normal values vary from lab to lab. Ask your doctor or testing center for details.
What do Abnormal Results Mean?
It is important to remember that a positive screening test for cystic fibrosis does not diagnose cystic fibrosis. If your child's test is positive, further tests will be done to confirm the possibility of CF. Not all children with a positive screening IRT test have CF.
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