Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

GLUCOSE

General Information

Lab Order Codes:

GLUC

Note: Test is also included in the Basic Metabolic Panel (PR7), Comprehensive Metabolic Panel (PR12) and Renal Panel (RENP).

Synonyms:

Fasting Blood Sugar

CPT Codes:

82947 – Glucose; quantitative, blood

Test Includes:

Glucose concentration reported in mg/dL.

Logistics

Test Indications:

Glucose is derived from the breakdown of carbohydrates in the diet and in the body stores. The glucose level in the blood is maintained within a narrow range by regulatory hormones such as insulin, glucagons, or epinephrine. The most frequently encountered disorder of carbohydrate metabolism is high blood sugar due to diabetes mellitus. Hypoglycemia is a blood glucose concentration below the fasting level.

Lab Testing Sections:

Chemistry

Phone Numbers:

Minneapolis:

Saint Paul:

 

612-813-6280

651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

30 minutes

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) tube preferred
Alternate tube: Red top (plain, no gel) tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL serum/plasma

Collection:

Routine collection. Mix tubes containing anticoagulant by gentle inversion.

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a plastic sample cup. Store at refrigerated temperatures.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen

Interpretive

Reference Range:

Age

Range (mg/dL)

Newborn:

60 – 90 mg/dL

1 month – 12 years:

60 – 105 mg/dL

>12 years:

70 – 110 mg/dL

Critical Values:

All ages:

<50 or >300 mg/dL

Limitations:

Glucose concentrations are decreased by excess hemolysis, excess bilirubin and excess lipemia.

Methodology:

Hexokinase Ultraviolet (UV)

References:

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

Updates:

2/17/2005: Critical value for Newborns <40 or >160 mg/dL removed. Critical value range made consistent for all ages.
8/28/2005: Turnaround time previously listed changed from 4 hours to 2 hours.
8/19/2009: Turnaround time previously listed as 2 hours.



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