Lab Dept:


Test Name:

Glucose, timed Urine

General Information

Lab Order Codes:



Glucose, Quantitative Urine

CPT Codes:

82945 – Glucose, body fluid, other than blood 81050 – Volume measurement for timed collection, each

Test Includes:

Urine glucose in mg/dL and mg/collection


Test Indications:

Glucose is a simple sugar that serves as the main source of energy for the body. Urine testing is useful in the evaluation of glycosuria. Glucose is present in the urine if the blood level is high of if the kidneys are damaged allowing glucose to leak out into the urine.

Lab Testing Sections:


Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 612-813-6280

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day

Special Instructions:

Submit an entire 24-hour urine collection. No preservative. Refrigerate specimen during and after collection. Urine samples may lose as much as 40% of their glucose after 24 hours at room temperature.

Note: Starting and ending times of collection are required for a timed urine collection and must be documented electronically or on the proper request form.


Specimen Type:

Urine, timed collection


Plastic leakproof container (No preservative). Urine GUARD® collection container is preferred for a timed urine sample.

Draw Volume:

Submit an entire 24-hour urine collection

Processed Volume:

Minimum: 1 mL urine


For timed urine collections, empty the bladder, discard the voided sample, and note the start time. Collect all urine voided for the specified time period. At the end of the period, note the finishing time; add the last voided sample to the container by emptying the bladder. Bring the refrigerated container to the lab. Make sure all specimens submitted to the laboratory are properly labeled with the patient’s name, medical record number and date of birth.

Special Processing:


Patient Preparation:


Sample Rejection:

Mislabeled or unlabeled specimens


Reference Range:

<500 mg/collection

Note: The reference value is for a 24 hour collection. Specimens collected for other than 24 hours have no reference ranges established.

Critical Values:





Hexokinase Ultraviolet (UV)


GLUC Flex® reagent cartridge insert sheet PN 717040.001 Issue Date 2008-02-29 Rev C

Clinical Significance, Dade Behring Inc., Glasgow Business Community, Mailbox 531, P.O. Box 6101, Newark, Delaware 19714

Jacobs & DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc, Hudson, OH, 5th Edition

Biorad Liquichek Control Product inserts, Bio-Rad Laboratories, Irvine, CA 92618