Pituitary Disorder Blood Test

What is Pituitary Disorders?

Pituitary disorders affect the pituitary gland, often called the master gland, which controls hormone production throughout the body. These disorders result from tumors, hormone deficiencies, or overproduction conditions that disrupt the balance of multiple hormone systems. The Follicle-Stimulating Hormone (FSH) test is the most important test for diagnosis because FSH levels are directly controlled by the pituitary gland.

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What causes pituitary disorders?

Pituitary disorders are caused by tumors (adenomas), head injuries, infections, autoimmune conditions, or genetic mutations that affect the pituitary gland. The most common cause is a pituitary adenoma, a noncancerous tumor that can either produce excess hormones or compress the gland and reduce hormone production. Other causes include traumatic brain injury, inflammation from infections like meningitis, Sheehan syndrome after childbirth, and genetic conditions affecting pituitary development or function.

What is the best test for pituitary disorders?

The Follicle-Stimulating Hormone (FSH) test is the most important test for pituitary disorders because it measures hormone levels directly controlled by the pituitary gland, with both elevated and decreased FSH levels indicating various types of pituitary dysfunction. Additional essential tests include the Testosterone Total LC/MS/MS to evaluate pituitary regulation of sex hormones, the Estradiol Ultrasensitive LC/MS/MS to detect subtle hormonal changes from pituitary dysfunction, and the Thyroxine Free Direct Dialysis (FT4) to assess how well the pituitary controls thyroid function through TSH production. Together, these tests provide a comprehensive evaluation of pituitary function across multiple hormone systems.

When should I get tested for pituitary disorders?

You should get tested if you experience unexplained weight changes, persistent fatigue, irregular menstrual periods or erectile dysfunction, vision problems or frequent headaches, or abnormal breast milk production. Early testing is crucial when you notice multiple symptoms affecting different body systems simultaneously, such as changes in both energy levels and reproductive function, as pituitary disorders affect multiple hormones at once. You should also get tested if you have a family history of pituitary tumors or have had head trauma or brain surgery.

What are the symptoms of pituitary disorders?
Symptoms of pituitary disorders vary depending on which hormones are affected but commonly include persistent headaches, vision problems or loss of peripheral vision, unexplained weight gain or loss, and chronic fatigue. You might also experience irregular or absent menstrual periods, erectile dysfunction or low sex drive, excessive thirst and urination, mood changes or depression, difficulty concentrating, intolerance to cold or heat, and unexpected breast milk production. Some people notice changes in facial appearance, increased shoe or ring size, or excessive sweating as the disorder progresses.
Who is at risk for pituitary disorders?
People at higher risk for pituitary disorders include those with a family history of pituitary tumors or multiple endocrine neoplasia syndromes, women who experienced severe bleeding during childbirth, individuals who have had head trauma or brain radiation therapy, and people with autoimmune diseases. Pituitary adenomas can occur at any age but are most common in adults between 30 and 50 years old. Certain genetic conditions like Carney complex or McCune-Albright syndrome also increase risk, as do chronic inflammatory conditions affecting the brain.
What happens if pituitary disorders are left untreated?
Untreated pituitary disorders can lead to serious complications including permanent vision loss from tumor pressure on the optic nerves, infertility and complete loss of reproductive function, osteoporosis and increased fracture risk from hormone imbalances, and cardiovascular disease from metabolic changes. You risk developing life-threatening adrenal crisis if cortisol production is severely affected, diabetes insipidus causing dangerous dehydration, and growth abnormalities in children. Long-term untreated disorders can cause irreversible damage to multiple organ systems and significantly reduce quality of life and lifespan.
Can pituitary disorders be diagnosed with a blood test?
Pituitary disorders are primarily diagnosed through blood tests that measure hormone levels controlled by the pituitary gland, making blood work the essential first step in diagnosis. Tests measuring FSH, LH, testosterone, estradiol, cortisol, thyroid hormones, prolactin, and growth hormone reveal whether the pituitary is producing too much or too little of specific hormones. Your doctor may order multiple blood tests at different times of day since some hormones fluctuate naturally, and may combine blood work with imaging studies like MRI to visualize the pituitary gland and detect tumors or structural abnormalities.
How is a pituitary disorder treated?
Treatment for pituitary disorders depends on the specific condition and may include hormone replacement therapy to supplement deficient hormones, medications to reduce excess hormone production or shrink tumors, surgery to remove pituitary tumors affecting vision or causing severe symptoms, or radiation therapy for tumors that cannot be surgically removed. Dopamine agonists like cabergoline effectively treat prolactin-secreting tumors, while somatostatin analogs help control growth hormone excess. Many people require lifelong hormone replacement and regular monitoring to maintain proper hormone balance and prevent complications.
How can I prevent pituitary disorders?
Most pituitary disorders cannot be prevented since they result from tumors or genetic factors beyond your control, but you can reduce risk by protecting your head from injury with proper safety equipment during sports and activities, seeking prompt medical attention after head trauma, and getting regular checkups if you have a family history of pituitary tumors. Early detection through awareness of symptoms allows for timely treatment before complications develop. Maintaining overall health through balanced nutrition, regular exercise, and stress management supports optimal hormone function and may help your body better cope with hormonal imbalances.
What can I do at home for pituitary disorders?
While home remedies cannot cure pituitary disorders, you can support your treatment by taking prescribed hormone replacement medications consistently at the same time each day, maintaining a balanced diet rich in nutrients that support hormone health, getting adequate sleep to help regulate hormone cycles, and managing stress through relaxation techniques like meditation or yoga. Keep a symptom diary to track changes and help your doctor adjust treatment, stay hydrated especially if you have diabetes insipidus, and wear medical alert identification if you have adrenal insufficiency. Regular communication with your healthcare provider ensures your treatment plan remains effective.
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Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
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  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
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Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
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We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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Testosterone 375 ng/dL
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375 ng/dL

What this means

Your testosterone levels are slightly below the optimal range. While this is not necessarily cause for concern, it may contribute to occasional fatigue, reduced motivation, or lower muscle mass over time.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

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* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

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Follicle-Stimulating Hormone (FSH)
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Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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