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To view specimen requirements and codes please select your laboratory:

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Entamoeba histolytica Antigen, EIA

Test Code


CPT Code(s)


Preferred Specimen(s)

2 grams of fresh stool in sterile screw-cap container.
(1 gram min)
Ship frozen, do not thaw.

Minimum Volume


Transport Container


Transport Temperature


Specimen Stability

Ambient: Unacceptable
Refrigerated: 48 Hours
Frozen: 7 Days


Enzyme Immunoassay (EIA)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.