Does anyone know if you can test for CF using past biopsies from a previous colonoscopy? Or would you have to have a new colonoscopy to gather additional samples? Previous colonoscopies have prob 6-8 samples but maybe one 2 came from the rectum.
The biopsy required for a CF test is much less invasive than for a colonoscopy. Much, much less sedation. Having said that, do they save the previous test?
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