Abnormal urine carbohydrate level Elevated urine trihydroxycholestanoic acid level 2024-02-25T14:23:32Z Elevated urine THCA level Presence of trihydroxycholestanoic acid in the urine. Trihydroxycholestanoic acid is an intermediate in the biosynthesis of cholic acid. Elevated plasma levels of trihydroxycholestanoic acid have been found in patients with Zellweger syndrome. Elevated urine trihydroxycoprostanic acid level