Hepatitis B Surface Antigen-686

Test info

  
Hepatitis B Surface Antigen
  
686
  
87340.2
  
HBS
  
HBsAg
Hepatitis B surface Ag
  

Equivocal or reactive results will reflex to HbsAg Neutralization (CPT 87341) with an additional charge.

Specimen

  
Serum
  
  
1.0 mL
  
0.5 mL
  

Immediately following collection, thoroughly mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

Gold serum separator (SST) tube

  
Lithium heparin (Li hep) plasma
Sodium heparin (Na hep) plasma
EDTA plasma
  

Lt green/Dk green/Lavender:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times, to prevent clotting

  

Red:

  1. Allow sample to clot
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a False bottom plasma/serum transport vial/tube (AHL), labelled as serum

Lt green PST:

Spin within two (2) hours of sample collection

Dk green/Lavender:

  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a False bottom plasma/serum transport vial/tube (AHL), labelled as the appropriate plasma type
  

Lt green plasma separator (PST) 

False bottom plasma/serum transport vial/tube (AHL)

  

Refrigerated (preferred) - 14 days

Ambient - 6 days

Frozen - 6 months

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)

Performance

  
AHL - Chemistry: C
  
Mo - Sa
  
1 - 2 days
  

Electrochemiluminescence immunoassay (ECLIA)

Clinical and Interpretive info

  

Non-reactive

Billing

  
87467
  
Yes
  

Tracking

  
11/30/2001
  
01/04/2024
  
11/09/2021