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HelpTest Code EHISTM Entamoeba histolytica Antibody, Serum
Additional Codes
| Mayo | EHOLG |
| Epic ID | LAB2425 |
Test Down Notes
Effective 11/02/2026: This test is temporarily unavailable due to a reagent backorder. The downtime is currently unknown, and there is no recommended alternative test. See test notification here.
Specimen Type
SerumOrdering 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.
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days |
Transport refrigerated.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Heat-inactivated specimen | Reject |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Useful For
As an adjunct in the diagnosis of extraintestinal, invasive amebiasis
Day(s) Performed
Friday
Report Available
Same day/1 to 5 daysReference Values
Negative
Reference values apply to all ages.
CPT Code Information
86753