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Test Code EHOLG Entamoeba histolytica Antibody, Serum

Additional Codes

EPIC Order Code: LAB3092


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

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.

Interpretation

Negative: No antibodies to Entamoeba histolytica detected. This assay is intended for assessment of invasive amebiasis. Repeat testing in 2 to 3 weeks if clinically indicated.

 

Equivocal: Recommend follow-up testing in 10 to 14 days if clinically indicated.

 

Positive: Results are suggestive of current or past infection with Entamoeba histolytica. Direct detection of E histolytica in stool or other specimen sources is recommended to diagnose acute amebiasis.

Day(s) Performed

Friday

Report Available

Same day/1 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.