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Hepatitis A, IgM Antibody
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | HAVM |
| Test group | Hepatitis |
| Performed by | Immunology |
| In House Availability | Monday - Friday (day shift) |
| Method | Chemiluminescent assay |
| Collection Instructions | Do NOT order in conjunction w/ HAV Antibody, Total. |
| Container type | Gold top |
| Amount to Collect | 1 mL blood |
| Sample type | Serum |
| Preferred volume | 0.2 mL serum |
| Processing notes | Refrigerate serum. |
| Normal range | Negative |
| Synonyms | HAV IgM Antibody; HAV IgM Ab; HAAb; anti-HAV antibody |
| Turn around times | 1-4 days |
| Additional information | This is the test of choice for the diagnosis of acute HAV infection; it is positive at the time a patient presents with clinical illness. The IgM antibody persists for up to 6 months, and a negative IgM antibody test rules out acute HAV infection in an immunocompetent subject Positive results are automatically forwarded to California public health per regulations. However, this does not absolve the ordering provider from any additional reporting if such is required. |
| LOINC code | 13950-1 |
| Last Updated | 5/1/2011 6:01:51 PM |
| Entry Number | 476 |
If you have additional questions regarding this test, please call: 415-353-1667