Alpha subunit, free

Alphabetical Test listing

Alpha subunit, free-994

  
Alpha subunit, free
  
994
  
LAB994
  
MSO
  
Pituitary glycoproteins, alpha subunit
  

The alpha subunit is a common protein structure to LH, FSH, TSH and hCG. These hormones are comprised of identical alpha subunits and unique beta subunits that confer biological specificity. Alpha subunit test is useful in the diagnosis and management of various pituitary, placental, pancreatic and hCG-producing tumors.

  
Serum
  
  
1.0 mL
  
0.25 mL
Submitting the minimum volume does not allow for repeat testing
  
  1. Spin
  2. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)
  3. Freeze
  
EDTA plasma;Heparin plasma
  

Red serum vial/tube, 5 mL

Lavender (EDTA), 4mL

Dk green heparin (Li or Na), no gel

 

  
1.0 mL
  
  1. Spin
  2. Transfer serum/plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)
  3. Freeze
  

Frozen (preferred) - 200 days

Refrigerated - 1 day

Ambient - 1 day

  
Esoterix Endocrinology via LabCorp (140269): R-NX
  
Tu
  
3 - 10 days
  

Immunocheminliminometric assay (ICMA)

  

Age and gender dependent - see report

  
83520
  
Result: 140271 Alpha Subunit (Free) 30316-4
  
06/04/2019
  
06/04/2019
  
05/19/2020