Hepatitis A Antibody, Total
| Hepatitis A Antibody, Total | | | |
| Number | | 006726 |
| CPT | | 86708 |
| Synonyms | | Antibody to Hepatitis A Virus ; Anti-HAV Total ; HAVAb Total |
| Specimen | | Serum or plasma |
| Volume | | 1 mL |
| Minimum Volume | | 0.4 mL (Note: This volume does not allow for repeat testing.) |
Container | | Red-top tube, gel-barrier tube or lavender-top (EDTA) tube |
| Collection | | If tube other than a gel-barrier tube is used, transfer the
separated serum or plasma to a plastic transport tube. |
| Storage Instructions | | Refrigerate Sample Stability: Up to 7 days at 2°C to
8°C |
| Causes for Rejection | | Plasma other than EDTA, PST gel barrier tubes |
| Reference Interval | | Negative |
| Use | | Differential diagnosis of hepatitis; in conjunction with anti-HAV, IgM to confirm immunity to hepatitis A |
| Methodology | | Microparticle enzyme immunoassay (MEIA) |
| Additional Information | | Measures both IgG and IgM forms of the antibody. Does not differentiate between these two forms. Hepatitis A antibody of IgG type is indicative of old infection and is found in almost 50% of adults. |
| References | | Giacoia GP and Kasprisin DO, “Transfusion-Acquired Hepatitis A,” South Med J, 1989, 82(11):1357-60. Lee HS and Vyas GN, “Diagnosis of Viral Hepatitis,” Clin Lab Med, 1987, 7(4):741:57 (review). |
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