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Test Name:
Glucose, Quantitative, Urine, 24-Hour


  • SBMF No:
    29207
  • Performance Lab Name:
    Automated Lab
  • Test Mnemonic:
    U GLU24
  • ABN:
    Not required
  • CPT Code:
    82945
  • LOINC Code:
    2350-7; 2351-5
  • Test Includes:
    Glucose
    Creatinine
  • Also Known As:
    Urine Glucose, Quantitative
  • Spec Type:
    Urine, 24-hour
  • Spec Container:
    24-hour urine container (no preservative added)
  • Pref Vol:
    20.0 mL aliquot from well-mixed 24-hour collection
    Note: Send urine aliquot with notation of entire 24-hour urine volume on aliquot label and on requisition
  • Min Vol:
    10.0 mL aliquot from well-mixed 24-hour collection
  • Fasting:
    No
  • Spec Collect:
    To begin collection of timed specimen, have patient urinate, noting date and exact time
    Discard this first portion of urine, but document date and time of voiding on container label and test requisition as "start" of timed specimen
    Save all urine voided during designated time period, including portion voided at exact end of time period
    IMPORTANT: Refrigerate entire specimen (2-8°C) during and after collection to prevent bacterial growth
    Document date and time of final voiding on label and requisition as "end" of timed specimen
  • Spec Process:
    Upon completion of collection, mix entire specimen well and note 24-hour volume
    Pour 20.0 mL of urine into separate plastic tubes(s)
    Refrigerate urine aliquot and transport refrigerated
    Send urine aliquot with notation of 24-hour urine volume on aliquot label and on requisition
  • Spec Store Transport:
    Refrigerated
  • Spec Stability:
    1 week refrigerated (2-8°C)
  • Methodology:
    Enzymatic
  • Use:
    Evaluate glucosuria, renal tubular defects
    Manage diabetes mellitus
  • Clinical Significance:
    Glucose measurements are used in the diagnosis and treatment of carbohydrate metabolism disorders including diabetes mellitus, neonatal hypoglycemia, idiopathic hypoglycemia, and of pancreatic islet cell carcinoma.
  • Reference Range:
    Up to 1.5 g/24 hours
  • Day Run:
    Sun-Sat (daily)
  • Time Run:
    As received
  • Time Reported:
    4 hours
  • Test Type:
    URINE

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