HEPATITIS A VIRUS ANTIBODY IgM (087-7175)

  HAVM

  Automated EIA- chemiluminence (OCD 3600)

Clinical Chemistry

 Routine: 8 hours, ASAP : 4 hours

Collect:  7mL of blood in SST (serum separator tube). (Min.: 3mL of blood). 

Specimen Preparation: Allow specimen to clot completely at room temperature. Centrifuge to separate serum from cells within 2 hours of collection. Transfer serum from collection tube to labeled plastic transport tube.  

Storage/Transport:  Delivered to Sample Management within 2 hours of collection.    

Stability:   Room temperature for ≤ 8 hours, refrigerated for ≤   7 days.  If the test will not be completed within 7 days, or frozen for indefinitely.   (Avoid repeated freeze/thaw cycles).

If applicable, state clinical information that is required to be provided with specimen.

By report (reports may vary based on instrumentation, patient age and sex)

 Consider this test for work-up of acute hepatitis. If the patient has previously been positive for HAV IgM, it is recommended to wait three months before testing again. If the patient has no detectable antibody, it is recommended to wait three months before testing again. Tests on samples collected less than three months from the initial results will be cancelled, unless approved by a Microbiology Director or their designee.  Recommended tests to determine acute hepatitis (see note) are Hepatitis A antibody IgM, Hepatitis B Surface antigen, Hepatitis B Core antibody IgM and Hepatitis C virus antibody.
NOTE: Limited Coverage Test (NCD)

Recommended tests to determine chronic hepatitis are Hepatitis B Surface antigen, Hepatitis B Core antibody IgM and Hepatitis C virus antibody.

  86709

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.