CPT 4 Code: 86709

Test Order Mnemonic: HAVM

Applies to: Hepatitis A Virus Antibody to determine acute or recent infection

Lab: Serology

Request Form: Microbiology/Serology

Collection: Routine venipuncture, SST (serum separator tube)

Causes for Rejection: Gross hemolysis, specimens containing particulate matter, heat-inactivated specimens

Turnaround Time: 24-72 hours

Special Instructions: 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.

Specimen: Blood

Volume: 2 ml serum

Minimum Volume: 0.5 ml serum

Container: SST (gel barrier)

Reference Ranges: Negative