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Growth Hormone Profile Blood Test

* This is not a home test kit. You will need to visit a local lab for testing.

The growth hormone (GH) blood test measures levels of human growth hormone and IGF-1 (insulin-like growth factor 1) to screen for growth disorders and pituitary gland dysfunction. This lab test helps diagnose growth hormone deficiency in adults.

What Does the GH Blood Test Measure?

Growth hormone stimulates tissue growth, cell reproduction and regeneration. This test checks levels of GH and IGF-1 to evaluate the function of the pituitary gland, which produces GH.

  • GH level – Growth hormone circulates in the blood in pulses and is normally found in very low amounts. A low GH indicates the pituitary is not making enough.
  • IGF-1 level – This growth factor is produced by the liver in response to GH. Low IGF-1 correlates to inadequate GH secretion.

Testing both GH and IGF-1 provides the most complete screening for possible growth hormone deficiency.

Who Should Have Growth Hormone Testing?

GH testing may be recommended for:

  • Adults with fatigue, decreased muscle mass and other symptoms of adult GH deficiency
  • Diagnosing the cause of pituitary disorders like tumors
  • Monitoring GH treatment

GH stimuation testing may also be done to confirm GH deficiency.

Preparing for a Growth Hormone Blood Test

No special preparation is required. GH levels can fluctuate so blood may be drawn at multiple times during the day. Food intake and sleep can impact results. Your doctor may have you fast overnight prior to testing. Certain medications may also affect GH levels.

Understanding Test Results

Normal ranges vary depending on age, sex and lab methods. Generally, normal results are:

  • GH – Below 10 ng/mL for adults and under 7 ng/mL for children
  • IGF-1 – Between 117-329 ng/mL for adults

An endocrinologist will interpret your GH and IGF-1 levels based on your symptoms and medical history. Further testing may be needed to confirm a growth hormone deficiency before starting treatment.

Accessing GH Testing Near Me

Our extensive lab network provides convenient access to growth hormone testing across the U.S. Order your test online and get same-day GH blood draw at one of 4,000+ locations. We work with top national labs like Quest Diagnostics and Labcorp to make testing convenient . Results delivered through our secure patient portal.

Tests Included:

Quest
Growth Hormone, Serum (521)
Insulin-Like Growth Factor I (IGF-I) (16293)
Testosterone, free and total (36170)
Labcorp
Insulin-Like Growth Factor I (IGF-I) (010363)
Testosterone, free and total (081786)
Growth Hormone, Serum (004275)

Estimated Turn Around For Results:

2-10 Business Days

For an exact turnaround time for results, please contact us at Personalabs and we will contact the lab on your behalf as turnaround times vary depending on testing location or lab testing provider.

Additional information

Provider

LabCorp, Quest

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STEP 1

Order Your Test

Create an account, choose your tests, checkout securely, generate your lab order

Document

STEP 2

Generate & Print Out Lab Order

Our physician network will approve your order within 2-4hrs.

Location

STEP 3

Visit the Lab

The test price decides which lab you will visit: Quest or Labcorp. Find a location in your area.

Report

STEP 4

Get Your Results

Results can be provided in as little as 24-48 hrs. For more complex tests, please contact us for turn around times.

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