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Test Code FEHAG Entamoeba histolytica Antigen, EIA

Important Note

For NUHS:
Place specimen on ice and send to lab immediately. 
 
Sample only has 7 days stability to reach Mayo Laboratories – referring hospital laboratory should contact NUH Laboratory for feasibility.

Do not collect specimen on Fridays through Sundays, eve of public holidays and public holidays.

Additional Codes

Epic Ordering Code LAB3041456
NBS code LBC11753
Service code 36863

Reporting Name

Entamoeba histolytica Antigen

Specimen Type

Fecal


Specimen Required


Preferred Specimen Type: Unpreserved stool

Supplies: Sterile stool container

Container/Tube: Sterile stool container

Specimen Volume: 2 g

Specimen Stability Information: Frozen

 

Collection Instructions: Collect 2 grams of fresh unpreserved stool in sterile container. Send specimen frozen.

 

NOTE: Separate specimens must be submitted when multiple tests are ordered.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit the following immediately:
Container: Sterile Stool Container
For NUHS: Place specimen on ice and send to lab immediately. 
Processing Requirements
Freeze immediately
Specimen type: Stool
Volume: 2g
Storage/transport requirements: Frozen

Specimen Minimum Volume

1 gram

Specimen Stability Information

Specimen Type Temperature Time
Fecal Frozen (preferred) 7 days
  Refrigerated  48 hours

Reject Due To

Other Stool in preservative; Carey-Blair Transport Media, rectal swabs; diaper specimens; liver abscess

Method Name

Enzyme Immunoassay (EIA)

Day(s) Performed

Monday, Wednesday, Friday

Report Available

4 to 8 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

Reference Values

Entamoeba histolytica Antigen: Not Detected

 

The Entamoeba histolytica Antigen EIA test detects only the antigen of the pathogenic E. histolytica; the non-pathogenic E. dispar is not detected.

Performing Laboratory

Quest Diagnostics

CPT Code Information

87337

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FEHAG Entamoeba histolytica Antigen 29905-7

 

Result ID Test Result Name Result LOINC Value
Z5167 Entamoeba histolytica Antigen 29905-7

Secondary ID

75350
National University Hospital-Singapore Additional Information:

Last updated 17/07/2026