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Lab Test Dictionary

Carbohydrate, Urine (CHOU)

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