Hepatitis A Virus (HAV) Antibody, Total With Reflex to IgM
Also known as: Anti-HAV
Use
This test is used to aid in the diagnosis of active Hepatitis A (HAV) infection and differentiate between active and previous infection/vaccination.
Special Instructions
If reflex test is performed, additional charges/CPT code(s) may apply. This test may exhibit interference when a sample is collected from a person consuming high doses of biotin. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Limitations
This assay has not been FDA cleared or approved for screening blood or plasma donors. Performance characteristics have not been determined for immunocompromised patients, cord blood, patients less than 2 years of age, or cadaveric specimens. The assay does not differentiate between IgG and IgM antibodies.
Methodology
Immunoassay (Immunochemiluminometric assay (ICMA))
Biomarkers
LOINC Codes
- 13951-9
- 13951-9
- 13950-1
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
2 mL
Minimum Volume
0.8 mL
Container
Gel-barrier tube, red-top tube or serum transfer tube
Collection Instructions
If tube other than a gel-barrier tube is used, transfer separated serum to a screw-cap polypropylene transport tube. Do not freeze gel-barrier tube (pour off serum first).
Storage Instructions
Room temperature
Causes for Rejection
Heat-inactivated specimens; cord blood; cadaveric specimens; or body fluid other than serum or EDTA plasma; gross hemolysis; excessive lipemia; improper labeling
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |