Sweat testing is indicated if a patient has signs or symptoms associated with cystic fibrosis.
Organ System |
Indication |
pulmonary and upper respiratory tract |
chronic cough |
|
recurrent or chronic pneumonia |
|
wheezing that is persistent or refractory to usual therapy |
|
hyperinflation that is persistent or refractory to usual therapy |
|
tachypnea that is persistent or refractory to usual therapy |
|
retractions that is persistent |
|
atelectasis, especially if of right upper lobe |
|
bronchiectasis |
|
hemoptysis |
|
infection with mucoid strains of Pseudomonas aeruginosa |
|
nasal polyps |
|
pansinusitis |
|
digital clubbing |
gastrointestinal |
meconium ileus |
|
meconium plug syndrome |
|
prolonged neonatal jaundice |
|
steatorrhea |
|
rectal prolapse |
|
mucoid impacted appendix |
|
late intestinal obstruction |
|
recurrent intussusception |
|
cirrhosis |
|
portal hypertension |
|
recurrent pancreatitis |
metabolic and other |
positive family history of cystic fibrosis |
|
failure to thrive |
|
salty taste to skin |
|
salt crystals on skin |
|
salt-depletion syndrome |
|
metabolic alkalosis |
|
hypoprothrombinemia |
|
vitamin A deficiency |
|
azoospermia |
|
absent vas deferens |
|
scrotal calcification |
|
hypoproteinemia |
|
edema |
Specialty: Endocrinology, Clinical Laboratory, Pulmonology, Gastroenterology
ICD-10: ,