Total testosterone: price 40,50 zł

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Podmiot leczniczy, nr księgi RPWDL 000000229528
700 punktów pobrań krwi, badań diagnostycznych i konsultacji specjalistycznych
Badania i konsultacje realizujemy samodzielnie oraz przez podwykonawców
Wynik online, bez skierowania
Działamy od 2020 r., kontynuacja pierwszego w Polsce internetowego sklepu z badaniami (sklep.etermed.pl, od 2013)

Original price was: 45,00 zł.Current price is: 40,50 zł. Oszczędzasz 9%!

Najniższa cena z 30 dni przed obniżką: 45,00 zł

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The key marker in hormonal investigations in men.

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Category: Other laboratory tests

Opis produktu

Whereany sample collection centre listed in the basket

Results turnaround timeup to 2 working days

Samplevenous blood (serum)

Preparationin the morning (7:00–10:00), after fasting for 8–12 hours

Why testosterone is tested

Testosterone is the main androgen. In men, it supports libido, erections, sperm production, muscle and bone mass, red blood cell production and mood. Concentrations in women are more than ten times lower, but excess testosterone causes clear symptoms: acne, excessive hair growth and irregular cycles. This test measures total testosterone, the sum of the protein-bound and free fractions.

When to consider this test

men: reduced libido, erectile dysfunction, tiredness, loss of muscle mass, low mood, infertility or gynaecomastia,
men receiving testosterone: treatment monitoring,
boys: suspected delayed or precocious puberty,
women: acne, hirsutism, male-pattern hair loss, irregular or absent periods, suspected polycystic ovary syndrome or an androgen-secreting tumour,
people taking “testosterone-boosting” supplements or anabolic steroids.

How to prepare

Have the sample collected in the morning, between 7:00 and 10:00. In men, an afternoon result may be 20–30% lower and lead to a false diagnosis of deficiency.
Fast for 8–12 hours, drinking only water in the morning. A meal lowers testosterone concentration.
Avoid testing during an acute infection, after a sleepless night or after very intense exercise the previous day.
Women: the doctor determines the timing, usually in the first phase of the cycle (days 3–5).
If you take high-dose biotin, stop it for one day before the test.

Understanding your result

Results are reported in ng/ml, ng/dl or nmol/l (1 ng/ml = 100 ng/dl = 3,47 nmol/l). Reference ranges depend on sex, age and method, so compare your result with the range on the report. As a guide:

Result	What it usually means
men: below approximately 2,6 ng/ml (264 ng/dl, 9,2 nmol/l)	the lower limit of the harmonised reference range for healthy men aged 19–39 according to the Endocrine Society; requires confirmation with a second morning measurement and assessment of symptoms
men: within the reference range despite symptoms	the doctor considers free testosterone, SHBG, LH and prolactin
women: above the reference range (ALAB range approximately 0,06–0,86 ng/ml)	most commonly PCOS; less commonly congenital adrenal hyperplasia or a tumour; the doctor also requests SHBG, DHEA-S, androstenedione and 17-OHP

In men, testosterone decreases with age, obesity, type 2 diabetes, chronic stress and lack of sleep. A low result without symptoms is not an indication for treatment.

Other tests to consider alongside testosterone

In men: free testosterone, SHBG, LH, prolactin, and PSA before any potential treatment. In women: SHBG, DHEA-S, androstenedione, AMH. Symptoms of deficiency and interpretation: an article on Badania-Medyczne.pl.

Frequently asked questions

What time should blood be collected for a testosterone test?

In the morning, ideally between 7:00 and 10:00, after fasting. Testosterone concentration is highest at this time, and endocrine guidelines require comparison with a reference range established for morning samples.

Does one low result mean testosterone deficiency?

No. Endocrine societies recommend confirming a low result with a second fasting morning measurement on a different day. Only two low results accompanied by symptoms allow a diagnosis of hypogonadism.

When should free testosterone also be tested?

When total testosterone is near the lower limit of the reference range or when something affects the concentration of the binding protein SHBG: obesity, diabetes, thyroid or liver disease, older age or certain medicines.

Sources: ALAB laboratoria, Testosterone (preparation, sample collection time, reference ranges in women); Bhasin S. et al., Testosterone Therapy in Men with Hypogonadism: Endocrine Society Clinical Practice Guideline, J Clin Endocrinol Metab 2018 (two fasting morning measurements, lower limit of 264 ng/dl). For information only; does not replace medical advice.