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25205 Entamoeba histolytica Ab (SAM)

Entamoeba histolytica Ab (SAM)
Test Code: EHIABSO
Synonyms/Keywords
​Amebic Antibody
Amoeba Histolytica
Amoeba, Serum
Amoebiasis Antibody
Amebiasis
Amebic Serology
E Histolytica Antibody, Serum
Entamoeba Histolytica Antibodies
Entamoeba Histolytica Serology
Parasite Serologies-done by clinic
Useful For
​An adjunct in the diagnosis of extraintestinal amebiasis, especially liver abscess.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Serum​ ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​0.5 mL 0.15 mL​ ​
Specimen Stability Information
Specimen Type Temperature​Time
Serum​ ​ ​Frozen (preferred)​30 days
​Refrigerated​7 days
Rejection Criteria
Grossly hemolyzed or grossly lipemic specimens.
Interference

Previous episodes of intestinal amebiasis may produce a positive serology.

Serologic results should be used as an aid in diagnosis and should not be interpreted as diagnostic by themselves.

Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories Tuesday and Thursday​ ​1 to 5 days ​Enzyme-Linked Immunosorbent Assay (ELISA)
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Performing Location Reference Range
Mayo Clinic Laboratories​

​Negative

Reference values apply to all ages.

Interpretation

A positive result suggests current or previous infection with Entamoeba histolytica.

Since pathogenic and nonpathogenic species of Entamoeba cannot be differentiated microscopically, some authorities believe a positive serology indicates the presence of the pathogenic species (ie, E histolytica).

Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86753​ ​ ​ ​ ​
Synonyms/Keywords
​Amebic Antibody
Amoeba Histolytica
Amoeba, Serum
Amoebiasis Antibody
Amebiasis
Amebic Serology
E Histolytica Antibody, Serum
Entamoeba Histolytica Antibodies
Entamoeba Histolytica Serology
Parasite Serologies-done by clinic
Ordering Applications
Ordering Application Description
​Centricity ​Entamoeba histolytica Ab (SAM)
​Cerner None​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Serum​ ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​0.5 mL 0.15 mL​ ​
Specimen Stability Information
Specimen Type Temperature​Time
Serum​ ​ ​Frozen (preferred)​30 days
​Refrigerated​7 days
Rejection Criteria
Grossly hemolyzed or grossly lipemic specimens.
Interference

Previous episodes of intestinal amebiasis may produce a positive serology.

Serologic results should be used as an aid in diagnosis and should not be interpreted as diagnostic by themselves.

Useful For
​An adjunct in the diagnosis of extraintestinal amebiasis, especially liver abscess.
Reference Range Information
Performing Location Reference Range
Mayo Clinic Laboratories​

​Negative

Reference values apply to all ages.

Interpretation

A positive result suggests current or previous infection with Entamoeba histolytica.

Since pathogenic and nonpathogenic species of Entamoeba cannot be differentiated microscopically, some authorities believe a positive serology indicates the presence of the pathogenic species (ie, E histolytica).

For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories Tuesday and Thursday​ ​1 to 5 days ​Enzyme-Linked Immunosorbent Assay (ELISA)
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86753​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.