Growth Hormone (GH)
Test Summary
Measurement of GH is primarily of interest in the diagnosis and treatment of various forms of inappropriate growth hormone secretion. Growth hormone measurements in children are used in the evaluation of short stature and help differentiate low GH production from other sources of growth failure. Stimulation and suppression tests are often more meaningful than random measurements.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Note: Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
Patient Preparation
Random Growth Hormone collection should be performed on fasting patients who have rested for at least 30 minutes before collection.
Storage
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 14 days
- Frozen: 28 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Plasma
Order Code
GRHOM
EPIC (Premier) Code
LAB256
Includes
N/A
CPT Code
- 83003
Billing Code
- 700000
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Reference Range
| Adult | ≤7.1 ng/mL |
| Children (<20 years) | ≤10.1 ng/mL |
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 - 2 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Note: Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
Patient Preparation
Random Growth Hormone collection should be performed on fasting patients who have rested for at least 30 minutes before collection.
Storage
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 14 days
- Frozen: 28 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Plasma
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
| Adult | ≤7.1 ng/mL |
| Children (<20 years) | ≤10.1 ng/mL |
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 - 2 days