Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Specimen Type
Random Urine
Performing Lab
Mayo Medical Laboratory
Epic ID
Other Reference Test
Lab Test Days
Thursday
Standard TAT
5-11 Days
Collection Information
Specimen Required
0.5-1 mL Random Urine
Container Type
Sterile Container
Collection Instructions
Collect a random urine specimen (early morning preferred).
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 90 Days (preferred), Frozen: 90 Days
Test Volume Required
1 mL Random Urine
Minimum Test Volume
0.5 mL Random Urine
Processing Instructions
Order in MayoLink and send with Mayo courier Monday-Friday.
Comments
This is a recommended screening test for patients suspected to have a diagnosis of free sialic acid storage disease. Urine oligosaccharides are also recommended for patients with a suspected diagnosis of sialidosis or galactosialidosis.
CPT Codes
84275 (not genetic)
Revised
5/9/26
Initials
IM