Growth hormone, serum

Alphabetical Test listing

Growth hormone, serum-13321

  
Growth hormone, serum
  
13321
  
LAB13321
  
HGH
  
hGH
Human Growth Hormone (hGH)
  

Pituitary function test useful in the diagnosis of hypothalamic disorder, hypopituitarism, acromegaly, and ectopic growth hormone production by neoplasm

  

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R).

It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

  
Serum
  
  
0.8 mL
  
0.3 mL
Submitting the minimum volume does not allow for repeat testing
  

Spin

  

Gold serum separator (SST) tube

  
  

Spin and separate

  
  

Refrigerated (preferred) - 14 days

Ambient - 7 days

Frozen - 14 days

Freeze/thaw cycles - stable x 3

  
LabCorp Burlington (004275): R-LC
  
Daily
  
2 - 4 days
  

Immunochemiluminometric assay (ICMA)

  

0.0 - 10.0 ng/mL

  
Biotin supplement interference - see patient preparation
  
83003
  
Result 2963-7
  
04/05/2019
  
10/26/2020
  
02/23/2021