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Cardiovascular

Troponin T in women: what the value says about heart damage

Troponin sits in the cells of the heart muscle and allows that muscle to contract. When heart muscle cells die, as in a heart attack, troponin is released into the blood, while a healthy heart puts very little troponin into the blood according to the NVKC.

A raised troponin T points to damage to the heart muscle, from a heart attack or from a condition outside the heart, such as a pulmonary embolism or sepsis. How much troponin T is in the blood can only be measured with a blood test.

The limit for troponin T is 14 ng/l (nanograms per litre) at Star-SHL and Unilabs, and at Certe from age 18, and none of the three laboratories publishes a separate limit for women.

Doctor's Assessment Included

Troponin T is a heart muscle protein that enters the blood when heart muscle cells die. Star-SHL and Unilabs use a limit of 14 ng/l, Certe the same limit from age 18.

  • Star-SHL reads a troponin T of 14 to 50 ng/l as borderline and advises a repeat test within 3 hours if in doubt; a difference of more than 7 ng/l between the two measurements then fits an acute coronary syndrome.
  • According to the Dutch GP guideline, a pulmonary embolism, sepsis, a stroke and end-stage kidney failure also raise troponin, without a lack of oxygen to the heart muscle being the cause.
  • A troponin test is not the first step for pain or a heavy, pressing feeling on the chest that does not go away at rest: Thuisarts then advises calling 112 straight away.

When is this value abnormal?

Decision limits per result, in ng/l
Result Value (ng/l)
Normal < 14
Borderline 14–100
Markedly elevated ≥ 100

These cut-off values apply to the high-sensitivity troponin T test (hs-cTnT, Roche Elecsys). 14 ng/l is the 99th percentile of a healthy population; Dutch laboratories apply this limit to men and women alike. They interpret a value below 14 ng/l as no sign of heart muscle damage, 14 to 100 ng/l as equivocal, and above 100 ng/l as consistent with heart muscle damage. Important: a normal troponin value does not rule out a heart attack, and a raised value does not prove one. Troponin is a test for acute diagnosis when there are symptoms (such as chest pain), assessed by a doctor together with the course of the symptoms and an ECG. It is not a screening test for healthy people, and it can never be judged on a single value (in a heart attack, troponin rises and falls over several hours; the diagnosis requires repeated measurements). A raised value can also fit kidney dysfunction, heart failure, pulmonary embolism, sepsis or heavy exertion. With a raised result or acute symptoms: contact a doctor immediately or call 112. The literature also describes sex-specific limits (lower for women, higher for men); Dutch laboratories report against the shared limit of 14 ng/l.

Source: SKB Winterswijk; Slingeland Ziekenhuis (Roche Elecsys hs-cTnT) Reference population: Dutch adults (M/F, 99th percentile of a healthy population)

Reference ranges may vary between laboratories. When you order a test, a BIG-registered doctor assesses your personal results in context. For treatment decisions, discuss your results with your GP.

Troponin T (Cardiac): what Dutch laboratories use

These 3 laboratories publish the same value: 14 ng/l.

Reference ranges by group, in ng/l
Star-shl · Everyone · a limit, not a range · negative < 14 ng/l
14
Star-shl · Everyone · borderline, retest within 3 hours if in doubt 14–50 ng/l
14 50
Star-shl · Everyone · a limit, not a range · positive, fits acute coronary syndrome > 50 ng/l
50
Unilabs · Everyone · a limit, not a range · determination Macro troponin I → troponin T, performed via VUmc < 14 ng/l
14
Certe · Everyone · 18 years and older · a limit, not a range < 14 ng/L
14
0 55 ng/l

Source: Star-shl

Source: Unilabs

Source: Certe

Each value as the laboratory itself publishes it, retrieved in 2026.

Troponin T (Cardiac): what this test measures

Troponin T in the blood is measured in nanograms per litre (ng/l). At Star-SHL and Certe this is done with a high-sensitive test, at Unilabs through a troponin T determination that VUmc performs.

For troponin I, the second form, laboratories use a test of their own. The NVKC, the Dutch society for clinical chemistry, points out that the normal value depends on which test a laboratory uses, so a troponin I result from Diagnostiek voor U has its own normal value, separate from a troponin T result.

Troponin T (Cardiac): why this value matters

Troponin T makes damage to the heart muscle visible in the blood: according to the NVKC, troponin, myoglobin and CK are released when heart muscle cells die. According to the ESC guideline that the Dutch GP guideline cites, women with a non-STEMI, one form of acute coronary syndrome, are referred less often for further heart tests and cardiac catheterisation.

As explanations for why women with a non-STEMI are referred less often, the Dutch GP guideline names older age, more coexisting illness, more often atypical symptoms, a lower risk estimate by doctors, less often a raised troponin and more often a heart tracing (ECG) that is not conclusive.

Troponin T (Cardiac): how the blood test works

Referral
No GP referral needed. After the order we arrange the referral through ZorgDomein, within one business day; orders after 17:00 or at the weekend start on the next business day. ZorgDomein emails a barcode, and that barcode is what the draw site needs.
The draw
A blood draw from a vein in the arm, at a partner laboratory's draw site. No home kit, no finger prick.
Which test
on its own €65,-
Where
650+ draw sites run by independent laboratories across the Netherlands. Draw sites

Troponin T (Cardiac): how to prepare

  1. Pause biotin

    Required

    Do you take a supplement with biotin (vitamin B8, common in hair, skin and nail supplements)? Stop it 72 hours before the draw. Biotin interferes with the measurement of these values.

  2. No hard training beforehand

    Required

    No heavy training, long endurance sessions or anything that leaves you out of breath in the 48 hours before the draw. Normal walking is fine.

  • Water is always fine. Drink as usual beforehand, it makes the draw easier.
  • Take your usual medication, unless your own doctor told you otherwise.

Troponin T (Cardiac): when is testing worthwhile?

The NVKC describes the troponin test as an investigation for chest pain, to see whether a heart attack may have happened. The Dutch GP guideline recommends a low threshold for referral for both men and women with risk factors for cardiovascular disease and atypical symptoms that can fit an acute coronary syndrome.

Thuisarts advises calling 112 straight away for pain or a heavy, pressing feeling on the chest that does not ease at rest.

Troponin T (Cardiac): symptoms of a high or low value

Low Levels

Star-SHL, Unilabs and Certe (from age 18) apply one troponin T limit to women and men alike: below 14 ng/l is the expected result. A low value causes no symptoms.

A low troponin shortly after chest symptoms begin says little yet: the Dutch GP guideline puts the rise of troponin at 6 to 9 hours after onset.

High Levels

A raised troponin T causes no symptoms of its own; the symptoms belong to the cause. Chest pain in a heart attack can feel pressing according to Thuisarts, as if something heavy lies on it, often with sweating, nausea, shortness of breath or dizziness, or with pain in the arms, neck, jaw, between the shoulder blades or near the stomach.

According to the Dutch GP guideline on acute coronary syndrome, conditions outside the heart can also raise troponin: a stroke, a pulmonary embolism, sepsis and end-stage kidney failure.

Troponin T (Cardiac): causes of a low or high value

What raises the value

  • Heart attack

    In a heart attack, heart muscle cells die and troponin is released; according to the NVKC it is measurable in the blood within 3 to 4 hours and stays raised for 1 to 2 weeks.

  • Pulmonary embolism

    According to the Dutch GP guideline, a pulmonary embolism can raise troponin: there is damage to the heart, but no lack of oxygen to the heart muscle as the underlying cause.

  • Sepsis

    Sepsis is among the causes of a troponin rise outside the heart in the Dutch GP guideline, with damage to the heart without a lack of oxygen to the heart muscle as the underlying cause.

  • Stroke

    A stroke is among the causes of a troponin rise outside the heart in the Dutch GP guideline, with damage to the heart without a lack of oxygen to the heart muscle as the underlying cause.

  • End-stage kidney failure

    End-stage kidney failure is among the causes of a troponin rise outside the heart in the Dutch GP guideline.

Troponin T (Cardiac): lifestyle and this value

What has to happen after a raised troponin T depends on the condition behind it, and a doctor establishes that condition. Thuisarts advises calling 112 when pain or heavy pressure on the chest does not go away after sitting down.

According to the Dutch GP guideline, the chance of an acute coronary syndrome is higher with smoking, diabetes, chronic kidney damage and older age when chest pain or pressure is absent or not the main complaint. (Pre-)eclampsia or pregnancy-related high blood pressure in a woman's history gives a raised risk of high blood pressure and diabetes according to the Dutch GP guideline.

Troponin T (Cardiac): frequently asked questions

Is the normal value of troponin T different for women?

No, the troponin T limit at Star-SHL, Certe and Unilabs is the same for women and men: 14 ng/l, at Certe from age 18.

Does the GP recognise a heart attack in women as well as in men?

Whether the symptoms of women with a non-STEMI are recognised as well as those of men is unclear according to the Dutch GP guideline, and the Dutch GP guideline names a less often raised troponin as one of the explanations for why they are referred less often for further heart tests and cardiac catheterisation. For a STEMI (ST-elevation myocardial infarction), the symptoms in women are probably recognised as well as in men according to the Dutch GP guideline.

Can I have troponin T measured at Lunarahealth for chest pain?

With chest pain or heavy pressure that persists at rest, a troponin test at Lunarahealth is not the right step, because Thuisarts then advises calling 112 straight away. After an order at Lunarahealth, we first arrange a ZorgDomein referral, which takes one business day, and for the troponin T result the planning allows 96 hours after the draw.

Troponin T (Cardiac): sources

  1. SKB Winterswijk, labgids Troponine T; Slingeland Ziekenhuis, labgids hs-Troponine T (K-TNTHSST). "M/V: <14 ng/L. Als bovenste cut-off grens wordt 14 ng/l gebruikt, de 99e percentiel van normale populatie." Betreft de hoogsensitieve troponine T-test (Roche Elecsys hs-cTnT); de laboratoria die ons laboratorium gebruikt transmitteren dezelfde grens (<14,0 ng/l, zie riu-07). Geraadpleegd 15 juli 2026. (retrieved 2026) skbwinterswijk.nl
  2. Star-shl, Labbepalingen (referentiewaarden per bepaling), star-shl.nl, geraadpleegd 2026-10-01 (retrieved 2026) star-shl.nl
  3. Certe, Bepalingenwijzer (referentiewaarden per bepaling), bepalingenwijzer.certe.nl, geraadpleegd 2026-10-01 (retrieved 2026) bepalingenwijzer.certe.nl
  4. Unilabs, Bepalingenklapper (referentiewaarden per bepaling), bepalingenklapper.nl, geraadpleegd 2026-10-01 (retrieved 2026) bepalingenklapper.nl
  5. NVKC, Alles over testen: Troponine, allesovertesten.nl, geraadpleegd 2026-10-09 (retrieved 2026) allesovertesten.nl
  6. NHG-werkgroep. NHG-Standaard Acuut coronair syndroom (M80). Gepubliceerd maart 2022, laatste aanpassing juli 2025. (retrieved 2026) richtlijnen.nhg.org

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Troponin T (Cardiac)

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