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Test ID BLOD0134 Entamoeba histolytica Antibody, Serum

Important Note

Effective 11/2/2026:  TEST DOWN. Due to a backorder in reagents, this test is down effective immediately with no recommended alternative test. The duration of this test down is currently unknown. Another update will be provided once standard testing resumes. 

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.


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.


Secondary ID

616732

Useful For

As an adjunct in the diagnosis of extraintestinal, invasive amebiasis

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

E. histolytica Ab, IgG, S

Specimen Type

Serum

Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time
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

Friday

Report Available

Same day/1 to 5 days

Performing 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

Forms

If not ordering electronically, complete, print, and send an Infectious Disease Serology Test Request (T916) with the specimen.