Hepatitis B Surface Antibody Level, Pre/Post HBIG Infusion

Single-analyte tests

• Hepatitis B Surface Antibody Immunity, Quantitative 8475

  Serum · Fasting not stated · Turnaround Set up: Daily; Report available: 2 days

  Method and collection

  Method

  Immunoassay (IA)

  Reference notes

  ≥10 mIU/mL

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• Hepatitis B Surface Antibody Level, Pre/Post HBIG Infusion 34000

  Serum · Fasting not stated · Turnaround Set up: Mon-Sat

  Method and collection

  Method

  Immunoassay (IA)

  Reference notes

  ≥10 mIU/mL

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Panels that include this biomarker

• HBV Triple Screen Panel with Reflexes 39170

  2 analytes · Serum · Fasting not stated

  Method and collection

  Method

  Immunoassay (IA)

  Collection

  Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

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• Pre-biologic/biosimilar Screen Panel, HCV/HBV with Reflexes and QFT 1 Tube 37616

  2 analytes · Serum · Fasting not stated

  Method and collection

  Method

  See individual tests

  Collection

  Collect 6 mL of blood by venipuncture into a lithium heparin (green-top) tube. Hold tube at room temperature (17-25° C.) for between 15 minutes and 3 hours after blood collection. Refrigerate at 2-8° C. Note: The Centers for Disease Control and Prevention (CDC) has provided guidance on clinical considerations for tuberculosis (TB) testing such as QuantiFERON®-TB Gold Plus in conjunction with COVID-19 mRNA vaccines. Please refer to the QuantiFERON®-TB Gold Plus FAQ link (https://education.questdiagnostics.com/faq/FAQ204) for more detailed information on the latest CDC guidelines regarding TB testing and COVID-19 vaccines. Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

  Reference notes

  See individual tests

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• Pre-biologic/biosimilar Screen Panel, HCV/HBV with Reflexes and QFT 4 Tubes 37620

  3 analytes · Serum · Fasting not stated

  Method and collection

  Method

  See individual tests

  Collection

  Note: Specimen collection locations >3350 feet above sea level should use the QuantiFERON® collection kit designed for "High Altitude" (tubes with a gold ring on tube top) For each patient, collect 1 mL of blood by venipuncture directly into each of the 4 QFT-PLUS blood collection tubes. These tubes should be at 17-25° C at the time of draw. If a "butterfly needle" is being used, a "purge" tube should be used to ensure that the tubing is filled with blood prior to the QFT-Plus tubes being used. Immediately after filling the tubes, shake them 10 times just firmly enough to ensure the entire surface of the tube is coated with blood, to solubilize antigens on tube walls. Each of the four tubes must be transferred to a 37° C plus or minus 1° C incubator as soon as possible and within 16 hours of collection for 16-24 hours. If the blood is not incubated immediately after collection, re-mixing of the tubes by inverting 10 times must be performed immediately prior to incubation. The specimen rack should sit off the floor of the incubator and the tubes should be upright. Following incubation either: A. Centrifuge each of the 4 incubated collection tubes for 15 minutes at 2000-3000 RCF(G). Label with patient name, identification number, and date of collection. Deliver to Quest Diagnostics at 2-8° C. Samples will be stable for 28 days at 2-8° C (refrigerated). *OR* B. Immediately transport the 4 collection tubes to Quest Diagnostics between 4 and 27° C. Samples will be stable for 72 hours at 4-27° C (refrigerated or at room temperature). The Centers for Disease Control and Prevention (CDC) has provided guidance on clinical considerations for tuberculosis (TB) testing such as QuantiFERON®-TB Gold Plus in conjunction with COVID-19 mRNA vaccines. Please refer to the QuantiFERON®-TB Gold Plus FAQ link (https://education.questdiagnostics.com/faq/FAQ204) for more detailed information on the latest CDC guidelines regarding TB testing and COVID-19 vaccines. Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

  Reference notes

  See individual tests

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