Vitamin B12 unsaturated binding capacity-994

Test info

  
Vitamin B12 unsaturated binding capacity
  
994
  
LAB994
  
MSO
  
Vitamin B12 UBC
  
  • Differential diagnosis of polycythemia vera from secondary/relative polycythemias
  • Evaluate macrocytic/megaloblastic anemia;
  • Diagnose congenital absence of transcobalamin II or cobalophilin (transcobalamin I and III)

Specimen

  

Vitamin B(12) supplements should be discontinued at least 72 hours prior to specimen collection

  
Serum
  
  
2.0 mL
  
0.4 mL;Note: this volume does not allow for repeat testing
  

Spin

  

Gold serum separator (SST) tube

  
EDTA plasma
  
  

Spin and separate

  
  

Refrigerated (preferred) - 14 days

Ambient - 4 days

Frozen - 14 days

  
  • Recently administered radioisotopes

Performance

  
LabCorp Burlington (081869): R-NX
  
Mo, Th
  
1 - 4 days
  

Radioassay

Clinical and Interpretive info

  

725 − 2045 pg/mL

Billing

  
82608
  
Result 2171-7

Tracking

  
05/22/2019
  
05/22/2019