Xanthine and Hypoxanthine, 24 hr Urine

Test ID: ZG856

CPT code: 83789
LOINC:
Specimen Type: 24 hr urine
Frequency: Setup: 1x per week; Analytic time 7 days
Instructions: 3mL urine from 24 hr collection, Frozen. (Ref ok) Min 1.0mL. No
preservative.
Text: Use for for diagnosis and confirmation of xanthinuria; evaluation of low serum or urine uric acids; evaluation of allopurinol treatment in
hyperuricemic disorders (e.g., Lesch-Nyhan syndrome).
COMPONENTS: Z5124 XANTHINE; Z5125 HYPOXANTHINE; Z5126 URINE DURATION; Z5127 URINE VOLUME
Methodology: Liquid Chromatography-Tandem Mass Spectrometry

Test Name


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