Human Growth Hormone

Abbrev Code:HGH   
Order Code:LAB525Order Name:Human Growth Hormone
Order Instructions:Comment for stimulation and suppression tests.
Synonyms:Somatotropin; hGH; Growth Hormone
Methodology:Chemiluminescent immunoassay
CPT Codes: 83003 x1
Turnaround Time:Performed Mon-Fri; results are reported within 3 days.

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:0.8 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Collection Instructions:Patient must be fasting and at complete rest for 30 minutes prior to collecting sample.
Causes for Rejection:Plasma, serum not frozen before 48 hours, grossly hemolyzed, lipemic samples as well as samples containing particulate matter or microbial contamination.

Processing and Shipping

Specimen Processing:Within 2 hours, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab UM Specialty Core/Prot/Endo (Liaison D) 


Reference Range: 
Females <7 ng/mL
Males <1.3 ng/mL
A new HGH method was implemented on 5/29/18 and will give results that are on average 14.8% lower than the previous method.
Use:Evaluation of pituitary hyperfunction and growth disorders.

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