Hirsutism Blood Test

What is Hirsutism?

Hirsutism is excessive male-pattern hair growth in women, typically appearing on the face, chest, and back. It is caused by elevated levels of androgens, particularly testosterone, in the female body. The Testosterone, Free, Bioavailable and Total, LC/MS/MS test is the most important test for diagnosing hirsutism because it measures all forms of testosterone that drive unwanted hair growth.

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What causes hirsutism?

Hirsutism is caused by elevated levels of androgens, particularly testosterone and dihydrotestosterone (DHT), in women. The most common underlying cause is polycystic ovary syndrome (PCOS), which affects up to 70% of women with hirsutism. Other causes include adrenal gland disorders like congenital adrenal hyperplasia, ovarian tumors, Cushing syndrome, and certain medications such as anabolic steroids or danazol. In some cases, the cause remains unknown, a condition called idiopathic hirsutism.

What is the best test for hirsutism?

The Testosterone, Free, Bioavailable and Total, LC/MS/MS is the most important test for hirsutism because it measures all three forms of testosterone in your blood with exceptional accuracy. Elevated bioavailable testosterone is the primary hormone responsible for unwanted male-pattern hair growth in women. This comprehensive test helps identify whether your hirsutism is caused by PCOS, adrenal disorders, or other hormonal imbalances. Your doctor may also order DHEA-S and 17-hydroxyprogesterone tests to rule out adrenal gland problems, along with luteinizing hormone (LH) and follicle-stimulating hormone (FSH) to assess for PCOS.

When should I get tested for hirsutism?

You should get tested if you notice dark, coarse hair growing in male-pattern areas like your face, chest, back, or abdomen. Testing is especially important if the hair growth started suddenly, is rapidly worsening, or is accompanied by irregular periods, acne, deepening voice, or male-pattern baldness. Women with a family history of PCOS or adrenal disorders should get tested early. If you are struggling with fertility or have unexplained weight gain along with excess hair growth, hormone testing can identify treatable underlying causes.

What are the symptoms of hirsutism?
Hirsutism symptoms include excessive dark, coarse hair on the face (especially upper lip, chin, and sideburns), chest, back, abdomen, and inner thighs. You might also notice hair growth on your shoulders, buttocks, or around the nipples. Many women experience additional signs of high androgen levels including acne, oily skin, thinning scalp hair or male-pattern baldness, deepening voice, increased muscle mass, and enlarged clitoris. If caused by PCOS, you may also have irregular or absent periods, weight gain, and dark skin patches in body folds.
Who is at risk for hirsutism?
Women with polycystic ovary syndrome (PCOS) have the highest risk, as it causes 70-80% of hirsutism cases. You are also at increased risk if you have a family history of hirsutism or PCOS, are of Mediterranean, Middle Eastern, or South Asian descent, are overweight or obese, or have insulin resistance or type 2 diabetes. Women taking testosterone supplements, anabolic steroids, or certain medications like danazol or minoxidil have elevated risk. Those with adrenal gland disorders, ovarian or adrenal tumors, or Cushing syndrome are also susceptible.
What happens if hirsutism is left untreated?
Untreated hirsutism can lead to significant emotional distress, anxiety, depression, and reduced quality of life due to unwanted appearance changes. If caused by PCOS, leaving it untreated increases your risk of developing type 2 diabetes, heart disease, high blood pressure, high cholesterol, endometrial cancer, and infertility. The underlying hormonal imbalances may worsen over time, making treatment more difficult. Women with untreated adrenal disorders risk serious complications including salt-wasting crises. Early diagnosis and treatment can prevent these complications while effectively managing hair growth.
Can hirsutism be diagnosed with a blood test?
Yes, blood tests are essential for diagnosing the underlying cause of hirsutism. While your doctor diagnoses hirsutism by examining your hair growth pattern, blood tests identify what is causing the excess androgens. The Testosterone, Free, Bioavailable and Total, LC/MS/MS test measures all forms of testosterone to pinpoint hormonal imbalances. Additional blood tests like DHEA-S, 17-hydroxyprogesterone, LH, FSH, and prolactin help distinguish between PCOS, adrenal disorders, and other causes. Blood glucose and insulin tests may also be ordered since many women with hirsutism have insulin resistance.
How is hirsutism treated?
Hirsutism treatment focuses on lowering androgen levels and managing hair growth. Birth control pills containing estrogen and progestin are the most common first-line treatment, often combined with anti-androgen medications like spironolactone or finasteride. If you have PCOS with insulin resistance, metformin may help reduce testosterone levels. Topical eflornithine cream can slow facial hair growth. Hair removal methods like laser therapy, electrolysis, shaving, waxing, or depilatory creams provide cosmetic improvement. Weight loss of just 5-10% can significantly reduce symptoms in overweight women. Treatment typically takes 6-12 months to show full effects.
How can I prevent hirsutism?
You cannot prevent hirsutism caused by genetic conditions like PCOS or adrenal disorders, but you can reduce its severity. Maintaining a healthy weight through balanced diet and regular exercise helps lower insulin and androgen levels. Avoiding unnecessary testosterone supplements or anabolic steroids prevents drug-induced hirsutism. If you have PCOS or diabetes risk factors, early screening and treatment can minimize hormonal imbalances before severe hirsutism develops. Managing insulin resistance through low-glycemic diets and exercise may prevent worsening symptoms. Regular medical follow-up ensures any hormonal imbalances are caught and treated early.
What natural remedies help with hirsutism?
Several natural approaches may help manage hirsutism alongside medical treatment. Spearmint tea consumed twice daily has shown promise in reducing androgen levels in small studies. Inositol supplements, particularly myo-inositol and d-chiro-inositol, can improve insulin sensitivity and reduce testosterone in women with PCOS. Saw palmetto may block DHT, though evidence is limited. A low-glycemic diet with plenty of fiber, lean protein, and healthy fats helps regulate insulin and androgens. Regular exercise, especially strength training and cardio, improves insulin sensitivity. Stress reduction through yoga or meditation may help balance hormones. Always discuss supplements with your doctor as they can interact with medications.
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Testosterone 375 ng/dL
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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.

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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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Testosterone, Free, Bioavailable and Total, LC/MS/MS
Google reviews 505 reviews
$100 $78
What's included
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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