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Test Name:
Entamoeba histolytica Antigen, by EIA, Feces


  • SBMF No:
    45497
  • Performance Lab Name:
    ARUP Laboratories
  • Test Mnemonic:
    AMOEBA
  • ABN:
    Not required
  • CPT Code:
    87337
  • LOINC Code:
    29905-7
  • Ref Lab Test No:
    0058001
  • Spec Type:
    Feces, random
  • Spec Container:
    Clean (Unpreserved) Stool Transport Vial
  • Pref Vol:
    5.0 g
  • Spec Collect:
    Routine random feces collection
  • Spec Process:
    CRITICAL FROZEN – Freeze immediately
    Separate samples must be submitted when multiple tests are ordered
  • Spec Store Transport:
    Frozen
  • Spec Stability:
    Room temperature (20-30°C): Unacceptable
    Refrigerated (2-8°C): Unacceptable
    48 hours frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles
  • Spec Reject:
    Non-frozen sample
    Sample in preservative
  • Methodology:
    Enzyme Immunoassay (EIA)
  • Use:
    Diagnose Entamoeba as etiology of diarrheal disease
    Order only for patients at risk for infection (foreign travel)
    Specific and sensitive test for detection of intestinal E. histolytica
  • Clinical Significance:
    Refer to:
    ARUP Consult | The Physician's Guide to Laboratory Test Selection and Interpretation
  • Reference Range:
    Negative
  • Day Run:
    Sun-Sat (daily)
  • Time Reported:
    1-2 days
  • Test Type:
    PARASITE