Tryptophan Malabsorption Evaluation
The evaluation of blue diaper syndrome begins with a history and physical examination. There are usually no abnormal physical findings except for blue urine.
Urine testing will reveal the abnormal presence of the specific amino acid.
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- Libit SA, Ulstrom RA, Doeden D. Fecal pseudomonas aeruginosa as a cause of the blue diaper syndrome. J Pediatr. 1972 Sep;81(3):546-7.