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Lab Test Dictionary

Carbohydrate, Urine (CHOU)


Thin-Layer Chromatography (TLC), Qualitative


Reducing Substance

Specimen Type

Urine, Random

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Tuesday; 11 A.M.

Standard TAT

8-15 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


Specimen Stability

Room Temp=Unacceptable;Refrigerated=21 Days; Frozen=21 Days

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, 82760, 82945