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Test Code LAB472 Hepatitis B Surface Antibody

Clinical System Name

 Hepatitis B Surface Antibody

Synonyms

aHBs; Hepatitis B Surface Antibody IgG; HBSAb

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST, Red, Gold microtainer, Dark Green/Sodium Heparin, Lt. Green/Lithium Heparin Microtainer, Lavender/EDTA

Preferred Vol: 1.0 mL

Minimum Vol: 0.5 mL

 

Note:           

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: 2-8 C

Storage location: CPA refrigerator, FrigD rack. Serum should be removed from separator for storage.

 

Off-site collection: Spin blood. Transfer serum to plastic aliquot container. Send refrigerated.

 

Note: Performed with other  Hepatitis assays, specimen may be stored in same container as Hepatitis A total, Hepatitis B Core IgM, Hepatitis B Surface antigen, Hepatitis C Ab.

Stability

Specimen Type Temperature Time
serum/plasma Room temp 3 d
  Refrigerated 7 d
  Frozen -20 C 2 m

 

Availability

STAT Performed TAT
N M, W, F day shift 1- 5 d

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry

Location: Chem West

Phone Number:  (206) 987-2565

CPT Codes

86706

Methodology

Method: Chemiluminescent microparticle immunoassay (CMIA) on the Alinity i

Analytical Volume: 0.25mL serum

Limitations:

Reference Range

Nonreactive: < 8.0 mIU/mL
Indeterminate: ≥ 8.00 mIU/mL and <12.00 mIU/mL
Reactive: ≥ 12.00 mIU/mL