Posted Date
Effective Date
Update Type Test Code Change
Order Code EHIST



Entamoeba histolytica Antibody, Serum

Order Code:                  EHIST

Fee Code:                     32052

Reference Laboratory:   Mayo SAM


New Order Code:          EHOLG

New Reference Lab:      Mayo EHOLG


Effective January 26, 2023, Mayo Clinic Laboratories will replace test ID SAM with test ID EHOLG. This test is used as an adjunct in the diagnosis of extraintestinal, invasive amebiasis.


Collection Instructions: Collect specimen in an SST (preferred) or red top tube. Centrifuge, aliquot 0.5 mL (minimum 0.4 mL) of serum into a plastic vial and freeze (preferred) or refrigerate up to 5 days.


Reference Range: Negative