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HelpTest Code EHOLG Entamoeba histolytica Antibody, Serum
Ordering Guidance
Direct detection of Entamoeba histolytica in fecal specimens is recommended to diagnose intestinal amebiasis. See OPE / Ova and Parasite, Travel History or Immunocompromised, Feces or OAPNS / Ova and Parasite, Microscopy, Varies.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Useful For
As an adjunct in the diagnosis of extraintestinal, invasive amebiasis
Reporting Name
E. histolytica Ab, IgG, SSpecimen Type
SerumSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Heat-inactivated specimen | Reject |
Reference Values
Negative
Reference values apply to all ages.
Day(s) Performed
Tuesday, Thursday
Report Available
Same day/1 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86753
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| EHOLG | E. histolytica Ab, IgG, S | 22285-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| EHOLG | E. histolytica Ab, IgG, S | 22285-1 |
Forms
If not ordering electronically, complete, print, and send an Infectious Disease Serology Test Request (T916) with the specimen.