Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Synonyms
Hypoxanthine; S-Sulfocysteine; Uric Acid; Xanthine; Hereditary xanthinuria; Isolated sulfite oxidase deficiency; Lesch-Nyhan syndrome; Molybdenum cofactor deficiency; Xanthine dehydrogenase and xanthine and aldehyde oxidase dual deficiency; Xanthine dehydrogenase deficiency; Xanthine dehydrogenase/xanthine aldehyde oxidase/sulfite oxidase combined deficiency
Specimen Type
Urine, Random
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Tuesday and Thursday
Standard TAT
3-7 Days
Collection Information
Specimen Required
2-3 Random Urine
Container Type
Sterile Container
Processing Information - Lab Use Only
Transport Temperature
Frozen Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 90 Days
Test Volume Required
3 mL Random Urine
Minimum Test Volume
2 mL Random Urine
Processing Instructions
Order test in Mayolink and send with Mayo courier Monday-Friday.
CPT Codes
82542
Revised
8/8/24
Initials
SA