Question 1

What is Hair Loss (Alopecia)?

Accepted Answer

Hair loss, also known as alopecia, is the thinning or complete loss of hair from the scalp or body. It is caused by nutritional deficiencies (biotin, iron, zinc), hormonal imbalances (thyroid dysfunction, androgens), autoimmune conditions, and genetic factors. The Biotin (Vitamin B7) test is the most important test for identifying nutritional deficiencies that contribute to hair loss.

Question 2

What causes hair loss?

Accepted Answer

Hair loss is caused by multiple factors including nutritional deficiencies, hormonal imbalances, autoimmune conditions, and genetics. Biotin (Vitamin B7), iron, zinc, and protein deficiencies directly impact hair follicle health and growth cycles. Thyroid hormones (TSH, T3, T4) regulate metabolism and hair growth, while elevated androgens like DHT can shrink hair follicles in androgenetic alopecia. Autoimmune conditions like alopecia areata occur when the immune system attacks hair follicles, and certain medications or stress can trigger temporary hair shedding called telogen effluvium.

Question 3

What is the best test for hair loss?

Accepted Answer

The Biotin (Vitamin B7) test is the most important test for hair loss because it detects deficiencies in this essential B vitamin that directly supports keratin production and hair follicle health. Low biotin levels can cause brittle hair, thinning, and increased shedding. While biotin testing is fundamental, a comprehensive evaluation may include Complete Blood Count (CBC) to check for iron-deficiency anemia, Thyroid Panel (TSH, Free T3, Free T4) to identify thyroid dysfunction, ferritin levels to assess iron stores, and zinc levels. These tests together help identify the nutritional and hormonal root causes of hair loss so you can develop an effective treatment plan.

Question 4

When should I get tested for hair loss?

Accepted Answer

You should get tested if you notice increased hair shedding in the shower or on your pillow, visible thinning at the crown or temples, widening of your part line, or patches of complete hair loss. Get tested if you have unexplained fatigue along with hair loss (suggesting thyroid or iron issues), if you follow a restrictive diet that may lack biotin or other nutrients, or if hair loss runs in your family. Early testing is important because identifying nutritional deficiencies or hormonal imbalances quickly allows for faster intervention and better outcomes for hair regrowth.

Question 5

What are the symptoms of hair loss?

Accepted Answer

The symptoms of hair loss include gradual thinning on top of the head, circular or patchy bald spots, sudden loosening of hair with clumps coming out when washing or brushing, and full-body hair loss in some cases. You might notice more hair on your pillow in the morning, excessive shedding in the shower drain, or a wider part line when styling your hair. Some people experience itching or burning sensations on the scalp before hair falls out, while others notice their ponytail feels thinner or they need fewer bobby pins to secure their hair.

Question 6

Who is at risk for hair loss?

Accepted Answer

People at higher risk for hair loss include those with family history of baldness, individuals over age 40, women experiencing hormonal changes during pregnancy or menopause, and people with autoimmune conditions or thyroid disorders. Those following restrictive diets (vegan, low-protein) may develop nutritional deficiencies affecting hair growth. People taking certain medications (chemotherapy, blood thinners, antidepressants), experiencing chronic stress, or with conditions like PCOS or iron-deficiency anemia are also at increased risk. Frequent use of harsh chemical treatments, tight hairstyles, or heat styling can cause traction alopecia and breakage.

Question 7

What happens if hair loss is left untreated?

Accepted Answer

If hair loss is left untreated, progressive thinning can lead to permanent baldness in affected areas as hair follicles become dormant or die. Nutritional deficiencies like biotin, iron, or zinc deficiency that contribute to hair loss can also cause other health problems including fatigue, weakened immune function, and poor wound healing. Untreated thyroid disorders causing hair loss may lead to serious complications affecting metabolism, heart function, and mental health. The psychological impact of progressive hair loss can result in decreased self-esteem, social anxiety, and depression, making early intervention important for both physical and emotional wellbeing.

Question 8

Can hair loss be diagnosed with a blood test?

Accepted Answer

Hair loss itself cannot be diagnosed with a blood test, but blood tests are essential for identifying underlying causes contributing to the condition. Blood work can detect biotin deficiency, iron-deficiency anemia, thyroid dysfunction, hormonal imbalances, and nutritional deficiencies that lead to hair thinning and shedding. The Biotin (Vitamin B7) test, Complete Blood Count, Thyroid Panel, ferritin levels, and zinc testing help your healthcare provider understand why you are losing hair. A visual examination of your scalp and hair pattern combined with blood test results and medical history provides the most complete picture for developing an effective treatment plan.

Question 9

How is hair loss treated?

Accepted Answer

Hair loss is treated based on the underlying cause identified through testing and examination. If blood tests reveal biotin, iron, or zinc deficiencies, supplementation can improve hair growth within 3-6 months. Thyroid disorders are treated with hormone replacement medication to normalize levels. Minoxidil (Rogaine) applied topically stimulates hair follicles, while finasteride (Propecia) blocks DHT hormone in androgenetic alopecia. Corticosteroid injections or topical immunotherapy treat autoimmune alopecia areata. Platelet-rich plasma (PRP) injections and low-level laser therapy are newer options that stimulate follicles. Hair transplant surgery permanently relocates follicles to balding areas for those with permanent follicle loss.

Question 10

How can I prevent hair loss?

Accepted Answer

You can prevent hair loss by maintaining a balanced diet rich in biotin, iron, zinc, protein, and vitamins A, C, D, and E to support healthy hair growth. Avoid harsh chemical treatments, excessive heat styling, and tight hairstyles that pull on hair follicles. Manage stress through regular exercise, adequate sleep, and relaxation techniques since chronic stress can trigger telogen effluvium. Get regular blood work to monitor for thyroid dysfunction, anemia, and nutritional deficiencies before they cause significant hair loss. Use gentle hair care products, avoid smoking which restricts blood flow to follicles, and protect your scalp from sun damage with hats or SPF products.

Question 11

What natural remedies help with hair loss?

Accepted Answer

Natural remedies that help with hair loss include scalp massage to increase blood circulation to hair follicles, applying rosemary oil or peppermint oil which studies show may stimulate growth, and using biotin-rich foods like eggs, nuts, and salmon. Saw palmetto supplements may help block DHT hormone naturally in androgenetic alopecia. Eating iron-rich foods (spinach, lean meats), zinc-rich foods (pumpkin seeds, oysters), and foods high in omega-3 fatty acids supports hair health from within. Reducing stress through yoga or meditation prevents stress-related shedding. However, if blood tests reveal specific deficiencies or hormonal imbalances, medical treatment guided by your healthcare provider will be more effective than natural remedies alone.

Question 12

How’s this work?

Accepted Answer

Getting your blood test with us is easy, private & backed by the power of science.Long story short:
            
                In the test options, use the filters or search box to narrow your choices and find the test you want.
                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.
                Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
                If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
                When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
                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.
                You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
                If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Question 13

How do I know which test to get?

Accepted Answer

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.

Question 14

When will my lab results be available?

Accepted Answer

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know.
            After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop!
            If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Question 15

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?

Accepted Answer

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.

Question 16

Do you accept health insurance?

Accepted Answer

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.

Question 17

Can I cancel my order?

Accepted Answer

Yes.
            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.

Question 18

How can I find a lab location near me?

Accepted Answer

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.

Hair Loss Blood Test

What is Hair Loss (Alopecia)?

What causes hair loss?

What is the best test for hair loss?

When should I get tested for hair loss?

References

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