Methodology
Thin-Layer Chromatography (TLC), Qualitative
Synonyms
Fructose; Reducing Substance; Galactose; Xylose; Sucrose; Lactose; Maltose; Raffinose; Glucose; Disaccharide Screening; Monosaccharide Screening; Saccharides; Sugar
Specimen Type
Urine, Random
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Tuesday
Standard TAT
3-9 Days
Collection Information
Specimen Required
1-5 mL Random Urine
Container Type
Sterile Container
Collection Instructions
Collect an early-morning (preferred) random urine specimen.
Processing Information - Lab Use Only
Transport Temperature
Frozen Only
Specimen Stability
Room Temp: Unacceptable; Refrigerate: Unacceptable; Frozen: 42 Days (Preferred)
Test Volume Required
5 mL Random Urine
Minimum Test Volume
1 mL Random Urine
Processing Instructions
Order in Mayolink and send with Mayo courier Monday-Friday.
Included Tests
Carbohydrate; Galactose; and Glucose
CPT Codes
84377
Revised
7/17/25
Initials
SA