What Happens After a Low Testosterone Test?

Last updated: October 2, 2026

By TRT Provider Guide Editorial Team · Last verified: October 2, 2026

Editorial research, not clinically reviewed. Educational information, not medical advice. We don't interpret individual lab results.

After a low testosterone test, the next step is usually confirmation—not treatment. Major U.S. guidelines call for compatible symptoms or signs plus consistently low testosterone, with repeat early-morning testing. If low testosterone is confirmed, a clinician can look for the cause, discuss fertility, and decide what additional safety checks or treatment discussions fit your situation.^{1, 2}

That's the short answer to what happens after a low testosterone test. A low result starts a process. It does not finish the diagnosis.

The steps can shift. They move faster if your low result is already confirmed. They change if you want children now or later, or if your number is very low and your follow-up hormone pattern points toward a pituitary problem. And there's one question that changes everything downstream. Most men don't think to raise it until after a prescription. We'll get to it in Step 4.

This page is for you if: you just got a low or "borderline" testosterone result and want to know what comes next, what common follow-up tests can cost, and who should handle the next step.

It's not for you if: you want someone to read your number, tell you whether you "qualify," or give you a dose. No website should do that. A clinician who knows your history should.

TRT Provider Guide is the independent decision resource for testosterone replacement therapy — helping U.S. adults understand how low testosterone is evaluated, compare online and local care models and providers, and choose the next step that fits their health needs, fertility plans, budget, state, and care preferences, with every material claim verified and dated.

The six steps at a glance

1. Retest in the early morning, on a different day
2. Check symptoms: a number alone doesn't diagnose
3. Find the cause with LH and, when appropriate, FSH, prolactin, or other testing
4. Talk fertility before any testosterone treatment
5. Check treatment safety if testosterone therapy is being considered
6. Decide together: address a cause, watch and retest, get specialist input, or discuss treatment

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Where are you right now? The next-step map

Most men land in one of several spots after a low result. Find yours in the table below. It shows the question that usually comes next, who may handle it, and what to ask. We built it from the AUA Testosterone Deficiency Guideline, the Endocrine Society guideline and 2026 statement, and the AUA/ASRM male-infertility guideline. No single one of those lays the pathway out this way.^{1, 2, 3}

Sources: AUA Testosterone Deficiency Guideline; Endocrine Society guideline and July 2026 statement; AUA/ASRM Male Infertility Guideline. Checked October 2, 2026.^{1, 2, 3}

What changes the answer for you: whether low testosterone has been properly confirmed, your symptoms and health history, your fertility plans, your insurance or cash-pay preference, your state, and whether online or in-person care is the better starting point. Some situations belong with primary care, urology, endocrinology, reproductive urology, or urgent or emergency care when the symptoms warrant it. Because a general answer cannot resolve those for you, use TRT Provider Guide's Find My TRT Path tool to map your situation to the right care route and the questions to ask before you pay.

Got one low number and no plan yet?

Answer a few questions and get a plain-English next-step plan: which care route fits and what to ask before you pay anyone. It's free and educational. It doesn't diagnose low testosterone, decide whether you'll be treated, or guarantee a prescription.

Get my next-step plan →

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Does one low testosterone test mean you have low T?

No. Testosterone varies during the day and from one day to the next, so one result does not establish testosterone deficiency. The AUA calls for two early-morning total-testosterone measurements on separate occasions plus compatible symptoms or signs; the Endocrine Society also requires symptoms or signs with consistently low testosterone and recommends repeat morning fasting testing.^{1, 2}

That can feel like a letdown when you finally have a "reason" for how you've been feeling. It's actually useful. It means one number hasn't locked anything in.

Why one result can fool you

Here's what can push a single reading around:

• The time of day. Testosterone is usually higher earlier in the day, especially in younger men. The AUA recommends early-morning measurements for diagnosis.¹
• Being sick. Acute illness can suppress testosterone and complicate interpretation. The AUA advises against relying on testing during acute illness.¹
• Plain day-to-day variation. Testosterone can vary between measurements in the same person, which is one reason the diagnosis is not based on one draw.¹
• The lab's method. In its July 2026 statement, the Endocrine Society warned that non-standardized assays can produce meaningfully different results and urged use of standardized testing methods.²

What about "300"?

You'll see 300 ng/dL everywhere. (ng/dL, nanograms per deciliter, is the unit most U.S. labs use.) The AUA calls a total testosterone below 300 ng/dL a reasonable cut-off in support of a diagnosis. It is not a diagnosis by itself.¹

The Endocrine Society likewise stresses accurate measurement, symptoms or signs, and consistently low results rather than treating one threshold as a universal answer.²

If you're wondering what number actually matters, our guide to what testosterone level qualifies for TRT goes deeper. Our research on why testosterone reference ranges differ explains why two labs can print different ranges.

Symptoms count too

A low number by itself is not the full diagnosis. Symptoms or signs by themselves are not enough either. The AUA requires low total testosterone plus symptoms and/or signs, while the Endocrine Society also says symptoms alone are not diagnostic.^{1, 2}

Why the fuss? Low sex drive, tiredness, erection problems and low mood can occur with testosterone deficiency, but they can also occur with sleep disorders, thyroid problems, depression, medication effects and other health conditions. Finding the right cause is how you avoid treating the wrong problem.

Save the whole report, not just the word "LOW"

Before your next appointment, keep a copy of the full lab report. Useful details include:

• the number and its units
• the lab's printed reference range
• the date and time the blood was drawn
• whether it measured total testosterone or free testosterone
• the lab's name, and its testing method if it's listed

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Will my doctor repeat a low testosterone test?

Usually, yes when the result is being used to diagnose testosterone deficiency. The AUA calls for two early-morning total-testosterone tests on separate occasions, and the Endocrine Society recommends confirming the diagnosis by repeating a morning fasting total-testosterone measurement.^{1, 2}

So if your doctor says "let's repeat it," that's not a brush-off. Confirmation protects you from making a long-term decision around one result.

A self-pay repeat total-testosterone test currently starts around the high-$60s at the major direct-to-consumer labs before discounts or added service fees, although promotions change.^{7, 8}

How to make the retest count

• Book it early. Follow the ordering clinician's instructions. Major guidance uses early-morning testing; MedlinePlus describes morning collection, commonly around 7 to 10 a.m.^{1, 2, 6}
• Use comparable testing when practical. If your clinician wants the measurements compared directly, using the same laboratory and assay method can reduce one source of variation.
• Wait until you're well if the clinician advises it. Acute illness can distort the picture.¹
• Ask about fasting. The Endocrine Society recommends a morning fasting repeat test.²
• Ask whether any other labs belong on the same order. Which tests belong there depends on what has already been confirmed and what question your clinician is trying to answer.

There's no universal waiting period in the AUA statement beyond using separate occasions. Your clinician can tell you when to repeat it based on why the first test was ordered and whether illness, timing or another factor affected it.¹

What if your second test is normal?

Then the results disagree. The AUA guideline notes that when one result is below 300 ng/dL and another is normal, the clinician may use judgment about whether a third test is reasonable.¹

Don't average the numbers yourself, and don't go shopping for a lab that gives you a lower one.

A normal retest also doesn't mean your symptoms should be ignored. It means testosterone may not explain them, or the picture needs more context.

What if your low result came from an at-home test?

Bring it to a clinician as a starting point, not a verdict. Major U.S. diagnostic guidance is built around serum testosterone measurements, while at-home products can use different collection methods and may not be accepted for the same clinical decision.^{1, 2}

Ask how the result will be confirmed before you pay for anything else. Our comparison of at-home testosterone tests vs lab tests covers the differences.

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What tests come after low testosterone is confirmed?

Once low testosterone is confirmed, the next question is why. The AUA recommends measuring LH in patients with low testosterone, and the Endocrine Society recommends LH and FSH to distinguish primary testicular hypogonadism from secondary pituitary-hypothalamic hypogonadism. Other tests depend on that pattern and your history.^{1, 2}

Think of it like a thermostat. Your brain's hormone system sends signals that tell the testes to make testosterone. If testosterone is low, the next question is whether the signal is strong and the testes are not responding, or whether the signal itself is too weak.

LH: is the signal getting through?

The AUA recommends measuring LH (luteinizing hormone) in patients with low testosterone.¹ The Endocrine Society recommends LH and FSH to distinguish the two broad patterns.²

• High LH + low testosterone can point toward primary hypogonadism, meaning the testes are not responding normally to the signal.
• Low or low-normal LH + low testosterone can point toward secondary hypogonadism, meaning the signaling from the pituitary or hypothalamus may be part of the problem.

(Hypogonadism is the medical term for reduced function of the testes that can involve testosterone production, sperm production, or both.)

FSH: the sperm-making signal

FSH (follicle-stimulating hormone) is another pituitary hormone involved in sperm production. The Endocrine Society recommends measuring it with LH when distinguishing primary from secondary hypogonadism.²

The AUA also notes that elevated FSH in the setting of testosterone deficiency can point toward impaired sperm production, which can make a semen analysis relevant in selected men.¹

Prolactin: only in some cases

If testosterone is low and LH is low or low-normal, the AUA recommends checking prolactin, a pituitary hormone.¹

If prolactin remains high and there is no known explanation, further endocrine evaluation is appropriate.¹

When does a pituitary MRI come up?

Rarely, and for a specific pattern. The AUA says men with total testosterone below 150 ng/dL together with low or low-normal LH should undergo pituitary MRI regardless of prolactin level, because a non-secreting pituitary adenoma can be present.¹

That is a guideline trigger for clinicians, not a way to diagnose yourself from a lab portal.

What the patterns can point to

Educational patterns from the AUA and Endocrine Society. Not a way to interpret your own results.^{1, 2}

Free testosterone and SHBG

SHBG (sex hormone-binding globulin) is a protein that carries testosterone in the blood. When SHBG is unusually high or low, total testosterone can be harder to interpret, and free testosterone may add useful context in selected cases.^{2, 6}

Total testosterone remains the main starting measurement in the AUA diagnostic framework. Free testosterone is an additional tool, not a universal replacement for total testosterone.¹

Semen analysis

If fertility is part of the problem, a semen analysis may be relevant. The AUA notes that men with evidence of impaired sperm production may need adjunctive fertility testing, and the AUA/ASRM infertility guideline gives a separate fertility-focused pathway.^{1, 3}

For the broader pre-treatment lab discussion, see what blood tests are required before TRT.

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Why is my testosterone low, and can it go back to normal?

Sometimes a contributing cause can change. Obesity, some medicines, acute illness and other health problems can affect testosterone, while primary testicular disease or some pituitary disorders may require a different or longer-term care plan. Finding the cause matters because the answer is not always "replace testosterone."^{1, 2, 6}

If you're worried that testosterone would just be a "band-aid," this is the section for you. Finding the cause is exactly how you avoid covering up a problem.

Causes that may be reversible or treatable

• Obesity. The Endocrine Society's 2026 statement says obesity can be a reversible contributor and describes weight loss as first-line therapy for appropriately diagnosed hypogonadism associated with overweight or obesity when no other cause is identified.⁴
• Medicines. Opioids and glucocorticoids are among the medicines associated with low testosterone. Tell your clinician everything you take, including supplements. Don't stop any medicine on your own.^{4, 6}
• Acute illness. Illness can temporarily change hormone measurements and may make retesting more useful after recovery.¹
• Other health problems. Sleep disorders, pituitary disease, chronic disease and testicular conditions can all change the evaluation.⁶

Addressing a reversible contributor may improve testosterone. It is not a guarantee, and it is not a substitute for confirming the diagnosis.

Causes less likely to reverse on their own

Problems with the testes themselves, past testicular injury, chemotherapy or radiation, some genetic conditions, and some pituitary conditions can require specialist evaluation and a different treatment plan.⁶

"If I start testosterone, is it for life?"

Not automatically. Treatment duration depends on why testosterone is low, whether treatment is helping, adverse effects, fertility plans, and the plan you make with your clinician.

Do not start or stop prescription testosterone on your own. Testosterone is a controlled prescription medication, and stopping or changing treatment can have medical consequences that depend on the person and the treatment being used.^{5, 9}

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What if you want kids now or later?

Say so before any testosterone treatment starts. Exogenous testosterone can suppress sperm production, and the AUA/ASRM guideline says testosterone monotherapy should not be prescribed to a man interested in current or future fertility. The Endocrine Society also recommends against starting testosterone therapy when fertility is planned in the near term.^{2, 3}

This is the question we promised up top. It's the one many men think about too late.

Why testosterone can affect sperm

Testosterone taken from outside the body can suppress LH and FSH signaling. Those signals are important for sperm production.³

The effect and the time course of recovery vary. No responsible page can promise that a specific person will become infertile, preserve fertility, or recover sperm production on a set timeline.

Trying for a baby now or planning for one later? Pause here.

A urologist or reproductive urologist is often the most direct specialist route when fertility is central.

What a fertility-aware clinician may discuss

Depending on the situation, that can include:

• a semen analysis
• FSH and other reproductive-hormone testing
• treating an underlying cause
• fertility-directed treatments that are not testosterone

The AUA/ASRM guideline says clinicians may use hCG, selective estrogen receptor modulators (SERMs), aromatase inhibitors, or combinations in selected infertile men with low serum testosterone.³

Those treatments are not TRT and they are not interchangeable with testosterone. Their FDA approval status and evidence vary by drug and indication, so treatment decisions belong with an appropriate clinician.

For more, see our pages on fertility and TRT, sperm recovery after testosterone and enclomiphene vs clomiphene.

Fertility on your mind?

Map a fertility-first care route and get the questions to ask before anyone writes a testosterone prescription.

Map my fertility-first route →

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What happens after two low testosterone tests?

Two low early-morning results can satisfy the repeat-testing part of the diagnostic process, but they do not make treatment automatic. A clinician still connects the results to symptoms or signs, looks for the cause, discusses fertility, and decides whether testosterone treatment is appropriate and what baseline safety checks are needed.^{1, 2}

The safety checks before testosterone treatment

If testosterone therapy is being considered, the AUA recommends specific baseline checks:

This is pre-treatment evaluation. It is not a claim that every person with one low testosterone result needs every test in the table immediately.

What's new in 2026

In June 2026, FDA requested updates to testosterone prescribing information. Those requested changes included removing the prior limitation-of-use statement saying safety and efficacy had not been established for age-related hypogonadism, and revising prostate cancer and benign-prostatic-hyperplasia safety information.¹⁰

That change does not mean one low result proves a person should receive testosterone. FDA's current information page still says approved testosterone products are indicated for men with low testosterone associated with a medical condition, and that approved products are not currently approved for men with low testosterone who lack an associated medical condition.¹⁰

Testosterone is a controlled substance

Testosterone is a Schedule III controlled substance in the United States.⁵

It requires a valid prescription issued for a legitimate medical purpose by an authorized clinician. There is no legitimate shortcut around that.

For the step after the diagnostic workup, see what happens at a first TRT appointment and our page on TRT eligibility requirements.

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How much do the next steps after a low testosterone test cost?

Cash cost depends on which tests you actually need and whether a sale is running. On October 2, 2026, Quest listed a total-testosterone test at $69 plus a $6 physician-service fee; Labcorp's product directory displayed its $69 total-testosterone test at $51.75 on sale, while LH was $49, FSH $59, prolactin $79, CBC $29, and PSA's regular listed price was $69.^{7, 8}

These are direct-to-consumer prices, not a universal required workup. A clinician may order a different set of tests, and insurance coverage depends on the plan, diagnosis, network and medical-necessity rules.

Self-pay lab prices, checked October 2, 2026

Prices from official Labcorp OnDemand and Quest consumer pages on October 2, 2026. Sale prices can change without notice.^{7, 8}

What selected next-step labs cost at Labcorp

Using the prices above:

Our arithmetic from the dated prices above. This is not a standard "required panel." LH, FSH, prolactin, CBC and PSA answer different questions and do not all belong in every person's first repeat draw.

What about insurance?

Insurance coverage varies. A plan may have its own medical-necessity, prior-authorization, laboratory-network and repeat-testing rules.

If insurance matters to you, check the current policy for your exact plan before paying cash. Keep copies of both morning results if your clinician is using them to establish the diagnosis.

More on pricing in our guides to testosterone blood test cost and where to get a testosterone test.

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Which doctor should you see after a low testosterone test?

Primary care can begin many straightforward low-testosterone evaluations. Urology may be especially useful when fertility, the testes, sexual function or prostate questions are part of the picture, while endocrinology is often appropriate when LH, prolactin or other findings point toward a pituitary or broader hormone problem.

Find your starting point

Not sure whether a urologist or endocrinologist fits better? Read urologist vs endocrinologist for low testosterone and can primary care prescribe TRT.

"My doctor says it's all in my head"

Hearing that is frustrating, especially when you feel lousy. A more useful next question is:

"Can we repeat my testosterone early in the morning and talk about what we would check next if it's still low?"

That keeps the conversation focused on confirmation and cause instead of one number.

If you still do not understand the plan, asking for a second opinion from primary care, urology or endocrinology is reasonable.

Not sure which row is you?

Map your situation to the right care route and get the questions to bring.

Find my care route →

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What should you bring to your follow-up appointment?

Bring the actual lab report, not your memory of the number. Your clinician also needs the timing of each draw, your symptoms, your medicines and supplements, relevant health history, and whether fertility matters to you.

Bring these seven things

1. Your original lab report (all pages)
2. Any earlier testosterone results
3. The date and time of each blood draw
4. A list of every medicine and supplement
5. A short symptom timeline: what changed, and when
6. Your fertility plans, even if they're "maybe someday"
7. Your questions (below)

Questions to ask

• Do I need another morning test? Were my tests comparable?
• Do my symptoms and results actually support testosterone deficiency?
• What could be causing it?
• Should we check LH, FSH, prolactin, SHBG, free testosterone, or something else in my case?
• Could illness, weight, sleep, medicines, or another health condition be part of this?
• Does my wish for children change my options?
• Should I see urology, reproductive urology, or endocrinology?
• What would need to be checked before considering treatment?
• If treatment is not the next step, what are we doing instead?

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Can you do the retest and workup online?

Yes, some parts of the evaluation can be handled through telehealth, but online care does not change the diagnostic standard or make testosterone automatically appropriate. Testosterone is Schedule III, and federal temporary telemedicine flexibilities currently allow qualifying DEA-registered practitioners to prescribe Schedule II–V controlled substances without a prior in-person medical evaluation when required conditions are met through December 31, 2026; state law still applies.^{5, 11}

Online care is a care setting, not proof that testosterone is right for you.

The federal rule is temporary

HHS and DEA extended the controlled-substance telemedicine flexibilities from January 1 through December 31, 2026. The extension does not remove requirements that prescriptions be issued for a legitimate medical purpose by authorized practitioners in compliance with federal and state law.¹¹

That makes this section time-sensitive. If you're reading it after December 31, 2026, verify the current rule before relying on it.

7 questions to ask any online testosterone program before you pay

1. How do you confirm a low testosterone result before prescribing?
2. Do you use early-morning testing?
3. How do you decide whether LH, FSH, prolactin, blood count, PSA, or other tests are needed?
4. Will a clinician ask about fertility plans before testosterone treatment?
5. What type of licensed clinician will evaluate me, and is the visit live?
6. If testosterone is prescribed, is the medication an FDA-approved product or a compounded preparation, and which pharmacy dispenses it?
7. What fees are refundable if the clinician decides testosterone is not appropriate?

For a deeper clinic-shopping checklist, see questions to ask a TRT clinic.

This page stops here on provider choice on purpose. If your result has not been properly confirmed or the cause is still unclear, choosing a testosterone company is not yet the decision you need to make.

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When is a low testosterone result urgent?

Most low testosterone results are not emergencies by themselves. Urgency comes from the symptoms or the underlying problem—for example, sudden severe headache or vision change, acute severe testicular pain or swelling, or another serious illness—not from using one testosterone number as an emergency threshold.

A very low testosterone result with low or low-normal LH is also a pattern the AUA flags for pituitary imaging, but that is a clinician-directed workup rather than a reason to diagnose yourself from the number alone.¹

Seek prompt in-person evaluation for:

• a new severe headache or major vision change
• sudden severe testicular pain or swelling
• a new testicular lump
• a major illness that is still ongoing
• any sudden or severe symptoms that would normally warrant urgent or emergency care

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Questions people ask after a low testosterone result

The same questions come up again and again: whether one test is enough, when to repeat it, what other labs matter, whether fertility changes the answer, and whether TRT is automatic. The short answers below close those common gaps without turning a lab result into a diagnosis.

Is one low testosterone test enough to diagnose low T?

No. The AUA calls for two early-morning total-testosterone measurements on separate occasions plus compatible symptoms or signs. The Endocrine Society also requires symptoms/signs with consistently low testosterone and recommends repeat morning fasting testing.^{1, 2}

How soon should I retest my testosterone?

Use a separate occasion and follow the ordering clinician's timing instructions. Major U.S. guidance requires repeat morning testing but does not create one universal number of days that fits every patient.^{1, 2}

Will my doctor prescribe testosterone after one low test?

A clinician following the major diagnostic guidelines should not treat one low number as the whole diagnosis. The decision should incorporate repeat testing, symptoms or signs, the cause, fertility goals and treatment risks.^{1, 2}

What if my second testosterone test is normal?

The two results disagree. The AUA says clinician judgment can determine whether another testosterone measurement is appropriate when the first result is low and the second is normal.¹

What blood tests come after low testosterone?

LH is an AUA-recommended adjunctive test in men with low testosterone, while the Endocrine Society recommends LH and FSH to distinguish primary from secondary hypogonadism. Prolactin is recommended by the AUA when testosterone is low and LH is low or low-normal.^{1, 2}

Does 300 ng/dL automatically mean I have low testosterone?

No. The AUA calls total testosterone below 300 ng/dL a reasonable cutoff in support of diagnosis. It still requires two early-morning measurements and symptoms or signs.¹

Can being sick make my testosterone test low?

Yes. Acute illness can suppress testosterone and make a single result harder to interpret, which is one reason timing and repeat testing matter.¹

Does low testosterone mean I need TRT?

No. Testosterone treatment is one possible downstream decision after the diagnosis is confirmed, the cause is considered, fertility is discussed and treatment suitability is assessed.^{1, 2}

Can testosterone therapy affect fertility?

Yes. Exogenous testosterone can suppress sperm production. The AUA/ASRM guideline says testosterone monotherapy should not be prescribed to men interested in current or future fertility.³

Should I see a urologist or endocrinologist for low testosterone?

It depends on what the workup shows. Urology or reproductive urology often makes sense when fertility or testicular/reproductive issues are central; endocrinology can be especially useful when the pattern points toward a pituitary or broader endocrine problem.

Is an at-home testosterone test enough to confirm low T?

Do not assume it is. Bring the result to a clinician and ask how it will be confirmed for the medical decision being made, because home tests and clinical serum testing can use different collection methods.

Will I be on testosterone forever if I start?

Not automatically. Duration depends on the cause, response, risks, fertility goals and treatment plan. Do not start, stop or change prescription testosterone without the clinician managing your care.

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The bottom line

One low testosterone result is the start of a process, not the end of one. Repeat testing is usually needed. If low testosterone is confirmed, the next questions are whether your symptoms fit, why the level is low, whether fertility changes the plan, and whether treatment is appropriate.

Do it in that order and you are less likely to spend money or make a long-term treatment decision before the problem is actually clear.

Still not sure which TRT care route fits you? Use our free Find My TRT Path tool.

Find My TRT Path →

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What we actually verified — October 2, 2026

Primary medical sources checked: the AUA Testosterone Deficiency Guideline, which AUA lists as validity-confirmed in 2024; the Endocrine Society testosterone guideline and July 2026 statement; and the AUA/ASRM Male Infertility Guideline.

Regulatory sources checked: FDA's current Testosterone Information page, DEA drug scheduling, and the current HHS/DEA telemedicine extension.

Current consumer prices checked: official Labcorp OnDemand and Quest pages on October 2, 2026.

What we confirmed: the two-test diagnostic framework, the symptoms/signs requirement, the AUA's <300 ng/dL supporting cutoff, LH/FSH cause-finding, the AUA prolactin and pituitary-MRI triggers, fertility guidance, baseline hemoglobin/hematocrit and PSA guidance before treatment, Schedule III status, the December 31, 2026 federal telemedicine extension, and the dated self-pay prices shown above.

What we do not claim: that one result diagnoses low testosterone, that everyone needs the same follow-up panel, that any number guarantees TRT, that online care is appropriate for every patient, or that a questionnaire determines medical eligibility.

How we built this page

We read the AUA Testosterone Deficiency Guideline, the AUA/ASRM Male Infertility Guideline, the Endocrine Society guideline and its July 2026 statement, the FDA's current testosterone information page, the DEA drug-scheduling page, and HHS's 2026 controlled-substance telemedicine extension. We checked official Labcorp OnDemand and Quest prices on October 2, 2026 and recalculated every total shown on this page.

Our documented method is How We Review TRT Providers.

TRT Provider Guide is not a clinic, pharmacy, lab, insurer or medical practice. This page is educational and isn't a substitute for care from a clinician who knows your history. If you have sudden or severe symptoms, seek appropriate urgent or emergency care.

Sources

1. American Urological Association. Evaluation and Management of Testosterone Deficiency (2018; validity confirmed 2024). https://www.auanet.org/documents/Guidelines/PDF/Testosterone-Deficiency-JU.pdf
2. Endocrine Society. Testosterone Therapy for Hypogonadism Guideline Resources and Statement on Testosterone Replacement Therapy (July 16, 2026). https://support.endocrine.org/clinical-practice-guidelines/testosterone-therapy and https://www.endocrine.org/news-and-advocacy/news-room/2026/statement-on-testosterone-replacement-therapy
3. American Urological Association / American Society for Reproductive Medicine. Diagnosis and Treatment of Infertility in Men. https://www.auanet.org/documents/Guidelines/PDF/Male-Infertility-Guideline.pdf
4. Endocrine Society. Statement on Testosterone Replacement Therapy (July 16, 2026). https://www.endocrine.org/news-and-advocacy/news-room/2026/statement-on-testosterone-replacement-therapy
5. U.S. Drug Enforcement Administration. Drug Scheduling. https://www.dea.gov/drug-information/drug-scheduling
6. MedlinePlus. Testosterone Levels Test and Testosterone. https://medlineplus.gov/lab-tests/testosterone-levels-test/ and https://www.medlineplus.gov/ency/article/003707.htm
7. Labcorp OnDemand. Total testosterone, comprehensive testosterone, LH, FSH, prolactin, CBC and PSA consumer test pages/product directory, checked October 2, 2026. https://www.ondemand.labcorp.com/products
8. Quest Diagnostics. Testosterone Test and Prostate Screening (PSA), checked October 2, 2026. https://www.questhealth.com/product/testosterone-test/15983M.html and https://www.questhealth.com/sale
9. MedlinePlus. Testosterone: Drug Information. https://www.medlineplus.gov/druginfo/meds/a619028.html
10. U.S. Food and Drug Administration. Testosterone Information, including June 2026 requested labeling updates. https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/testosterone-information
11. U.S. Department of Health and Human Services. HHS & DEA Extend Telemedicine Flexibilities for Prescribing Controlled Medications Through 2026. https://www.hhs.gov/press-room/dea-telemedicine-extension-2026.html