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Test Name:
Sugar Water Test


  • SBMF No:
    44179
  • Performance Lab Name:
    ARUP Laboratories
  • Test Mnemonic:
    SUGAR
  • ABN:
    Not required
  • CPT Code:
    86941
  • LOINC Code:
    13534-3
  • Ref Lab Test No:
    0049005
  • Also Known As:
    Paroxysmal Nocturnal Hemoglobinuria (PNH) Screen
  • Also See:
    44336 Acid Hemolysin (Ham Test)
    44072 Paroxysmal Nocturnal Hemoglobinuria Profile, High Resolution, RBC
    44869 Paroxysmal Nocturnal Hemoglobinuria Profile, High Resolution, WBC
  • Spec Type:
    Whole blood
  • Spec Container:
    Light Blue top (3.2% buffered sodium citrate) tube
  • Pref Vol:
    5.0 mL
  • Min Vol:
    2.0 mL
  • Fasting:
    No
  • Spec Collect:
    Collect Monday through Thursday only and not the day before a holiday
    Routine venipuncture
    NOTE: If received at the reference laboratory Saturday or Sunday, on-call fee will be charged
  • Spec Process:
    Gently invert tube to mix
    Do not centrifuge
    Do not remove plasma from cells
    Sample cannot be refrigerated or frozen
  • Spec Store Transport:
    Room temperature (DO NOT refrigerate or freeze)
  • Spec Stability:
    24 hours room temperature (20-30°C)
  • Spec Reject:
    EDTA or heparin sample
  • Spec Remarks:
    Samples must be received within 24 hours of collection; testing must be performed within 48 hours of collection
  • Methodology:
    Visual Identification of Hemolysis
  • Use:
    Screen for PNH
  • Clinical Significance:
    Refer to:
    ARUP Consult | The Physician's Guide to Laboratory Test Selection and Interpretation
  • Reference Range:
    Negative
  • Day Run:
    Mon-Fri
  • Time Reported:
    2-3 days
  • Test Type:
    HEMATOLOGY