Click here for more information about laboratory operations and procedures
Hepatitis B Surface Antibody, Quantitative
| Item | Value |
|---|---|
| Available Stat? | No |
| Utilization Guidelines | The test should only be ordered in patients receiving HBIG therapy. In dialysis patients who have been vaccinated for Hepatitis B a positive qualitative test indicates immunity (e.g. ≥10 IU/mL per CDC guidelines). |
| Test code | HBSQT |
| Test group | Hepatitis |
| Performed by | Quest |
| Sendout? | Yes |
| Method | Immunoassay |
| Collection Instructions | Avoid hemolysis |
| Container type | Red top, Gold top |
| Amount to Collect | 3 mL blood |
| Sample type | Serum |
| Preferred volume | 1 mL serum |
| Min. Volume | 0.5 mL serum |
| UCSF Rejection Criteria | Hemolysis or lipemia |
| Processing notes | Submit serum, refrigerated, order Quest test #8475X. If B/T patient, order LabCorp test #006395. |
| Ref Lab Rejection Criteria | Hemolysis or lipemia |
| Units | mIU/mL |
| Normal range | |
| Synonyms | HBsAb; Hep B Surface Ab; HBV;. anti-HBs; anti-HBsAg; surface antibody |
| Stability | Room temperature 5 days, refrigerated 2 weeks, frozen at -20C indefinite. |
| Turn around times | Test performed 5 days per week. Turnaround 3-6 days. |
| LOINC code | 16935-9 |
| Last Updated | 9/8/2012 2:23:09 PM |
| Entry Number | 1298 |
If you have additional questions regarding this test, please call: 415-353-1667