Glucose

Glucose

Laboratory Fee Schedule

Procedure #: BZZ0106A, BZZ0107A

CPT: 82947


Glucose
Synonym(s): Glucose Fasting, Glucose Random
Requisition Form G-1B, G-THSTEPS
Test Description The quantitation of glucose in human serum is used to determine the risk of and to manage diabetes.
Pre-Approval Needed N/A
Supplemental Information Required N/A
Supplemental Form(s) N/A
Performed on Specimens from (sources) Human
Sample/Specimen Type for Testing
  • Preferred: Serum from a red top tube transferred to a transport tube
  • Acceptable: Serum from a centrifuged gold top serum separator tube. 
Minimum Volume/Size Required 1mL serum
Storage/Preservation Prior to Shipping
  • Collect blood in red top or gold top tube.
  • Allow to clot completely at room temperature.
  • Centrifuge to separate serum from cells within 2 hours of collection.
  • Transfer serum to the transport tube.
  • Store serum cold if testing will occur within 3 days of collection.
  • Store serum frozen if testing will occur after 3 days of collection.

Note: Serum collected in a gold top and not transferred to a transport tube cannot be frozen.

Transport Medium N/A
Specimen Labeling
  • Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number
  • Identifiers on specimen must exactly match submission form.
Shipping and Specimen Handling Requirements
  • Ship all specimens overnight with enough cold packs or dry ice to maintain specimens at proper temperature until arrival at DSHS Laboratory.
  • Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.
  • Handle as infectious agent using universal precautions
  • Ship triple-contained in accordance with federal shipping regulations for infectious agents
  • Ship Monday-Thursday; avoid weekend deliverie
  • Ship cold specimens overnight on ice packs if arriving at laboratory within 3 days from collection.
  • Ship frozen specimens overnight on dry ice or on ice packs.
  • Specimens must be received cold/frozen by the laboratory.
Method Quantitative enzymatic
Turn-around Time 4-5 working days after receipt of specimen
Interferences/Limitations Lipemia, turbidity, icterus, hemolysis.
Common Causes for Rejection
  • Two patient-specific identifiers not met
  • Specimen tube broken/leaked in transit. 
  • Specimen unsuitable for testing 
  • Specimen received at ambient temperature due to inadequate/no ice packs.
  • No specimen included with submission form. 
  • Submission form not included with specimen. 
  • Specimen was received at improper temperature.
  • Hemolysis
  • Demographic information is missing or incorrect. 
  • Specimen identification is missing or incorrect.
  • Whole blood was received.
  • Red top tubes have not had serum poured over to a transport tube.
  • Frozen gold top tubes.
Additional Information

Reference Range:

Random Glucose: <140 mg/dL

Fasting Glucose: 70 - 105 mg/dL

Last updated June 3, 2020