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Test Code HEVM Hepatitis E Virus IgM Antibody Screen with Reflex to Confirmation, Serum

Reporting Name

HEV IgM Ab Screen, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Diagnosis of acute or recent (<6 months) hepatitis E infection

Method Name

Enzyme Immunoassay (EIA)


Necessary Information


Date of collection is required.



Specimen Required


Collection Container/Tube: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Centrifuge blood collection tube per collection tube manufacturer's instructions (eg, centrifuge within 2 hours of collection for BD Vacutainer tubes).

2. Aliquot serum into plastic vial.


Specimen Type

Serum SST

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum SST Frozen (preferred)
  Refrigerated  24 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

Negative

Interpretation

Positive results suggest the presence of acute or recent (in the preceding 6 months) hepatitis E infection.

 

Negative results indicate absence of acute or recent hepatitis E infection. If clinical suspicion persists, submit new specimen for retesting in 1 to 2 weeks.

 

Borderline results may be seen in acute hepatitis E infection with rising level of anti-hepatitis E virus (HEV) IgM,  recent hepatitis E infection with declining level of anti-HEV IgM, or cross-reactivity with nonspecific antibodies (ie, false-positive results).

Day(s) Performed

Tuesday, Thursday

Report Available

1 to 7 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

86790

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HEVM HEV IgM Ab Screen, S 14212-5

 

Result ID Test Result Name Result LOINC Value
86212 HEV IgM Ab Screen, S 14212-5

Forms

If not ordering electronically, complete, print, and send 1 of the following:

-Gastroenterology and Hepatology Test Request (T728)

-Infectious Disease Serology Test Request (T916)

-Microbiology Test Request (T244)

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
HEVML HEV IgM Ab Confirmation, S Yes No

Testing Algorithm

If hepatitis E virus (HEV) IgM antibody screen is reactive or borderline, HEV IgM antibody confirmation will be performed at an additional charge.

 

For more information see Hepatitis E: Testing Algorithm for Diagnosis and Management.