HCG beta quant, pregnancy-690

Test info

  
HCG beta quant, pregnancy
  
690
  
84702.2
  
HCG
  
Beta HCG
  

Due to potential carryover, a test request for this assay on the Roche platform, cannot be added on to any tube which has been opened and previously run on the Roche analyzers.

Biotin supplements may cause clinically significant interference for this test assay. If interference is suspected, it is strongly recomended that biotin is discontinued for at least one week prior to retesting.

Specimen

  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.2 mL
  

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

  

Spin within two (2) hours of sample collection

  

Lt green plasma separator (PST)

 

  
Serum
EDTA plasma
  
  

Gold:

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

Lavender:

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

  

Gold: 

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

Lavender:

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

Gold serum separator (SST) tube

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

  

Refrigerated (preferred) - 14 days

Ambient - 5 days

Frozen - 12 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
  
Daily
  
1 day
  

Electrochemiluminescence immunoassay (ECLIA)

Clinical and Interpretive info

  

Non-pregnant, pre-menopausal: <5.0 mIU/mL

Post-menopausal: <8 mIU/mL

Pregnant: See report

Billing

  
84702
  
Yes
  

Tracking

  
11/30/2001
  
08/28/2018
  
01/04/2024