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22202 Growth Hormone (HGH)

Growth Hormone (HGH)
Test Code: HGH
Synonyms/Keywords
HGH, GH, Human Growth Hormone​
Useful For

​Measurement of HGH is primarily of interest in the diagnosis and treatment of various forms of inappropriate growth hormone secretion such as dwarfism, unattained growth potential, gigantism and acromegaly.

Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Yes​ Serum​ Red Top Tube (RTT)​ 1.0 mL​​ 0.4 mL​ 0.3 mL​
Collection Processing Instructions
Patient should be fasting and at complete rest 30 minutes before specimen is drawn.

Separate serum from cells within 2 hours of collection.​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Refrigerated​ 8 hours​
Frozen​ 2 months​
Rejection Criteria
Grossly hemolyzed
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ DPC Immulite​
Test Information
Performed by double-antibody chemiluminescent sandwich assay using DPC Immulite. Results correlate with classical Kallestad RIA and Nichols IRMA assays. Assay measures primary 22 kilodalton GH isoform but will also cross-react with 20 kilodalton GH isoform.

The drug asfotase alfa (STRENSIQ), a recombinant form of alkaline phosphatase, is expected to interfere with in vitro diagnostic assays utilizing an alkaline phosphatase detection system. Test samples from patients taking asfotase alfa with a non-alkaline phosphatase methodology.​ 
Reference Range Information
Performing Location Reference Range
Marshfield​ < or = 5.0 ng/mL​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
83003  ​ ​ ​ ​ ​
Synonyms/Keywords
HGH, GH, Human Growth Hormone​
Ordering Applications
Ordering Application Description
​Cerner ​Growth Hormone (HGH)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Yes​ Serum​ Red Top Tube (RTT)​ 1.0 mL​​ 0.4 mL​ 0.3 mL​
Collection Processing
Patient should be fasting and at complete rest 30 minutes before specimen is drawn.

Separate serum from cells within 2 hours of collection.​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Refrigerated​ 8 hours​
Frozen​ 2 months​
Rejection Criteria
Grossly hemolyzed
Useful For

​Measurement of HGH is primarily of interest in the diagnosis and treatment of various forms of inappropriate growth hormone secretion such as dwarfism, unattained growth potential, gigantism and acromegaly.

Reference Range Information
Performing Location Reference Range
Marshfield​ < or = 5.0 ng/mL​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ DPC Immulite​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
83003  ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.